19709404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34457}}^1$

素因数の和:34485

約数の個数: 24

約数和(自身を含む): 40522608

約数和(自身を除く): 20813204

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34457, 68914, 137828, 379027, 447941, 758054, 895882, 1516108, 1791764, 4927351, 9854702, 19709404]

約数ペア:

[(1, 19709404), (2, 9854702), (4, 4927351), (11, 1791764), (13, 1516108), (22, 895882), (26, 758054), (44, 447941), (52, 379027), (143, 137828), (286, 68914), (572, 34457)]