18680222

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77191}}^1$

素因数の和:77215

約数の個数: 12

約数和(自身を含む): 30799608

約数和(自身を除く): 12119386

約数列:

[1, 2, 11, 22, 121, 242, 77191, 154382, 849101, 1698202, 9340111, 18680222]

約数ペア:

[(1, 18680222), (2, 9340111), (11, 1698202), (22, 849101), (121, 154382), (242, 77191)]