A037019 - cp's OEIS frontend

A037019 Let n = p_1p_2...p_k be the prime factorization of n, with the primes sorted in descending order. Then a(n) = 2^(p_1 - 1)3^(p_2 - 1)...A000040(k)^(p_k - 1).

n	a(n)
1	1
2	2
3	4
4	6
5	16
6	12
7	64
8	30
9	36
10	48
11	1024
12	60
13	4096
14	192
15	144
16	210
17	65536
18	180
19	262144
20	240
21	576
22	3072
23	4194304
24	420
25	1296
26	12288
27	900
28	960
29	268435456
30	720
31	1073741824
32	2310
33	9216
34	196608
35	5184
36	1260
37	68719476736
38	786432
39	36864
40	1680
41	1099511627776

[1, 2, 4, 6, 16, 12, 64, 30, 36, 48, 1024, 60, 4096, 192, 144, 210, 65536, 180, 262144, 240, 576, 3072, 4194304, 420, 1296, 12288, 900, 960, 268435456, 720, 1073741824, 2310, 9216, 196608, 5184, 1260, 68719476736, 786432, 36864, 1680, 1099511627776]

cp's OEIS Frontend

A037019 Let n = p_1p_2...p_k be the prime factorization of n, with the primes sorted in descending order. Then a(n) = 2^(p_1 - 1)3^(p_2 - 1)...A000040(k)^(p_k - 1).

Table of values

List of values

cp's OEIS Frontend

A037019 Let n = p_1*p_2*...*p_k be the prime factorization of n, with the primes sorted in descending order. Then a(n) = 2^(p_1 - 1)*3^(p_2 - 1)*...*A000040(k)^(p_k - 1).

Table of values

List of values

A037019 Let n = p_1p_2...p_k be the prime factorization of n, with the primes sorted in descending order. Then a(n) = 2^(p_1 - 1)3^(p_2 - 1)...A000040(k)^(p_k - 1).