18827842

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77801}}^1$

素因数の和:77825

約数の個数: 12

約数和(自身を含む): 31042998

約数和(自身を除く): 12215156

約数列:

[1, 2, 11, 22, 121, 242, 77801, 155602, 855811, 1711622, 9413921, 18827842]

約数ペア:

[(1, 18827842), (2, 9413921), (11, 1711622), (22, 855811), (121, 155602), (242, 77801)]