19904876

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 35804160

約数和(自身を除く): 15899284

約数列:

[1, 2, 4, 47, 94, 188, 239, 443, 478, 886, 956, 1772, 11233, 20821, 22466, 41642, 44932, 83284, 105877, 211754, 423508, 4976219, 9952438, 19904876]

約数ペア:

[(1, 19904876), (2, 9952438), (4, 4976219), (47, 423508), (94, 211754), (188, 105877), (239, 83284), (443, 44932), (478, 41642), (886, 22466), (956, 20821), (1772, 11233)]