19902401

素因数分解:

${\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{2741}}^1$

素因数の和:2931

約数の個数: 8

約数和(自身を含む): 20433384

約数和(自身を除く): 530983

約数列:

[1, 53, 137, 2741, 7261, 145273, 375517, 19902401]

約数ペア:

[(1, 19902401), (53, 375517), (137, 145273), (2741, 7261)]