19646044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40591}}^1$

素因数の和:40617

約数の個数: 18

約数和(自身を含む): 37791152

約数和(自身を除く): 18145108

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40591, 81182, 162364, 446501, 893002, 1786004, 4911511, 9823022, 19646044]

約数ペア:

[(1, 19646044), (2, 9823022), (4, 4911511), (11, 1786004), (22, 893002), (44, 446501), (121, 162364), (242, 81182), (484, 40591)]