19749026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1723}}^1$

素因数の和:2257

約数の個数: 16

約数和(自身を含む): 32397408

約数和(自身を除く): 12648382

約数列:

[1, 2, 11, 22, 521, 1042, 1723, 3446, 5731, 11462, 18953, 37906, 897683, 1795366, 9874513, 19749026]

約数ペア:

[(1, 19749026), (2, 9874513), (11, 1795366), (22, 897683), (521, 37906), (1042, 18953), (1723, 11462), (3446, 5731)]