19956868

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 35904960

約数和(自身を除く): 15948092

約数列:

[1, 2, 4, 59, 103, 118, 206, 236, 412, 821, 1642, 3284, 6077, 12154, 24308, 48439, 84563, 96878, 169126, 193756, 338252, 4989217, 9978434, 19956868]

約数ペア:

[(1, 19956868), (2, 9978434), (4, 4989217), (59, 338252), (103, 193756), (118, 169126), (206, 96878), (236, 84563), (412, 48439), (821, 24308), (1642, 12154), (3284, 6077)]