A193334 - cp's OEIS frontend

A193334 Number of even divisors of sigma(n).

n	a(n)
1	0
2	0
3	2
4	0
5	2
6	4
7	3
8	0
9	0
10	3
11	4
12	4
13	2
14	6
15	6
16	0
17	3
18	0
19	4
20	4
21	5
22	6
23	6
24	8
25	0
26	4
27	6
28	6
29	4
30	9
31	5
32	0
33	8
34	4
35	8
36	0
37	2
38	8
39	6
40	6
41	4
42	10
43	4
44	8
45	4
46	9
47	8
48	4
49	0
50	0
51	9
52	3
53	4
54	12
55	9
56	12
57	8
58	6
59	8
60	12
61	2
62	10
63	6
64	0
65	8
66	12
67	4
68	6
69	10
70	12
71	9
72	0
73	2
74	4
75	4
76	8

[0, 0, 2, 0, 2, 4, 3, 0, 0, 3, 4, 4, 2, 6, 6, 0, 3, 0, 4, 4, 5, 6, 6, 8, 0, 4, 6, 6, 4, 9, 5, 0, 8, 4, 8, 0, 2, 8, 6, 6, 4, 10, 4, 8, 4, 9, 8, 4, 0, 0, 9, 3, 4, 12, 9, 12, 8, 6, 8, 12, 2, 10, 6, 0, 8, 12, 4, 6, 10, 12, 9, 0, 2, 4, 4, 8]

cp's OEIS Frontend

A193334 Number of even divisors of sigma(n).

Table of values

List of values

n	a(n)
1	0
2	0
3	2
4	0
5	2
6	4
7	3
8	0
9	0
10	3
11	4
12	4
13	2
14	6
15	6
16	0
17	3
18	0
19	4
20	4
21	5
22	6
23	6
24	8
25	0
26	4
27	6
28	6
29	4
30	9
31	5
32	0
33	8
34	4
35	8
36	0
37	2
38	8
39	6
40	6
41	4
42	10
43	4
44	8
45	4
46	9
47	8
48	4
49	0
50	0
51	9
52	3
53	4
54	12
55	9
56	12
57	8
58	6
59	8
60	12
61	2
62	10
63	6
64	0
65	8
66	12
67	4
68	6
69	10
70	12
71	9
72	0
73	2
74	4
75	4
76	8

n	a(n)
1	0
2	0
3	2
4	0
5	2
6	4
7	3
8	0
9	0
10	3
11	4
12	4
13	2
14	6
15	6
16	0
17	3
18	0
19	4
20	4
21	5
22	6
23	6
24	8
25	0
26	4
27	6
28	6
29	4
30	9
31	5
32	0
33	8
34	4
35	8
36	0
37	2
38	8
39	6
40	6
41	4
42	10
43	4
44	8
45	4
46	9
47	8
48	4
49	0
50	0
51	9
52	3
53	4
54	12
55	9
56	12
57	8
58	6
59	8
60	12
61	2
62	10
63	6
64	0
65	8
66	12
67	4
68	6
69	10
70	12
71	9
72	0
73	2
74	4
75	4
76	8

n	a(n)
1	0
2	0
3	2
4	0
5	2
6	4
7	3
8	0
9	0
10	3
11	4
12	4
13	2
14	6
15	6
16	0
17	3
18	0
19	4
20	4
21	5
22	6
23	6
24	8
25	0
26	4
27	6
28	6
29	4
30	9
31	5
32	0
33	8
34	4
35	8
36	0
37	2
38	8
39	6
40	6
41	4
42	10
43	4
44	8
45	4
46	9
47	8
48	4
49	0
50	0
51	9
52	3
53	4
54	12
55	9
56	12
57	8
58	6
59	8
60	12
61	2
62	10
63	6
64	0
65	8
66	12
67	4
68	6
69	10
70	12
71	9
72	0
73	2
74	4
75	4
76	8