19877033

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2693}}^1$

素因数の和:2776

約数の個数: 12

約数和(自身を含む): 22214724

約数和(自身を除く): 2337691

約数列:

[1, 11, 61, 121, 671, 2693, 7381, 29623, 164273, 325853, 1807003, 19877033]

約数ペア:

[(1, 19877033), (11, 1807003), (61, 325853), (121, 164273), (671, 29623), (2693, 7381)]