A218767 - cp's OEIS frontend

A218767 Total number of divisors and anti-divisors of n.

n	a(n)
1	1
2	2
3	3
4	4
5	4
6	5
7	5
8	6
9	5
10	7
11	5
12	8
13	6
14	7
15	7
16	7
17	7
18	10
19	5
20	9
21	7
22	9
23	7
24	10
25	8
26	7
27	9
28	11
29	5
30	11
31	7
32	12
33	9
34	7
35	9
36	11
37	7
38	11
39	9
40	12
41	6
42	13
43	7
44	9
45	13
46	9
47	7
48	13
49	9
50	12
51	7
52	13
53	9
54	11
55	9
56	11
57	9
58	11
59	9
60	18
61	6
62	9
63	13
64	9
65	9
66	13
67	11
68	13
69	7
70	13
71	7
72	18
73	9
74	9
75	11
76	11
77	13
78	13
79	5
80	15
81	11
82	11
83	9
84	16
85	12
86	9

[1, 2, 3, 4, 4, 5, 5, 6, 5, 7, 5, 8, 6, 7, 7, 7, 7, 10, 5, 9, 7, 9, 7, 10, 8, 7, 9, 11, 5, 11, 7, 12, 9, 7, 9, 11, 7, 11, 9, 12, 6, 13, 7, 9, 13, 9, 7, 13, 9, 12, 7, 13, 9, 11, 9, 11, 9, 11, 9, 18, 6, 9, 13, 9, 9, 13, 11, 13, 7, 13, 7, 18, 9, 9, 11, 11, 13, 13, 5, 15, 11, 11, 9, 16, 12, 9]

cp's OEIS Frontend

A218767 Total number of divisors and anti-divisors of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	4
6	5
7	5
8	6
9	5
10	7
11	5
12	8
13	6
14	7
15	7
16	7
17	7
18	10
19	5
20	9
21	7
22	9
23	7
24	10
25	8
26	7
27	9
28	11
29	5
30	11
31	7
32	12
33	9
34	7
35	9
36	11
37	7
38	11
39	9
40	12
41	6
42	13
43	7
44	9
45	13
46	9
47	7
48	13
49	9
50	12
51	7
52	13
53	9
54	11
55	9
56	11
57	9
58	11
59	9
60	18
61	6
62	9
63	13
64	9
65	9
66	13
67	11
68	13
69	7
70	13
71	7
72	18
73	9
74	9
75	11
76	11
77	13
78	13
79	5
80	15
81	11
82	11
83	9
84	16
85	12
86	9

n	a(n)
1	1
2	2
3	3
4	4
5	4
6	5
7	5
8	6
9	5
10	7
11	5
12	8
13	6
14	7
15	7
16	7
17	7
18	10
19	5
20	9
21	7
22	9
23	7
24	10
25	8
26	7
27	9
28	11
29	5
30	11
31	7
32	12
33	9
34	7
35	9
36	11
37	7
38	11
39	9
40	12
41	6
42	13
43	7
44	9
45	13
46	9
47	7
48	13
49	9
50	12
51	7
52	13
53	9
54	11
55	9
56	11
57	9
58	11
59	9
60	18
61	6
62	9
63	13
64	9
65	9
66	13
67	11
68	13
69	7
70	13
71	7
72	18
73	9
74	9
75	11
76	11
77	13
78	13
79	5
80	15
81	11
82	11
83	9
84	16
85	12
86	9

n	a(n)
1	1
2	2
3	3
4	4
5	4
6	5
7	5
8	6
9	5
10	7
11	5
12	8
13	6
14	7
15	7
16	7
17	7
18	10
19	5
20	9
21	7
22	9
23	7
24	10
25	8
26	7
27	9
28	11
29	5
30	11
31	7
32	12
33	9
34	7
35	9
36	11
37	7
38	11
39	9
40	12
41	6
42	13
43	7
44	9
45	13
46	9
47	7
48	13
49	9
50	12
51	7
52	13
53	9
54	11
55	9
56	11
57	9
58	11
59	9
60	18
61	6
62	9
63	13
64	9
65	9
66	13
67	11
68	13
69	7
70	13
71	7
72	18
73	9
74	9
75	11
76	11
77	13
78	13
79	5
80	15
81	11
82	11
83	9
84	16
85	12
86	9