18682642

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{77201}}^1$

素因数の和:77225

約数の個数: 12

約数和(自身を含む): 30803598

約数和(自身を除く): 12120956

約数列:

[1, 2, 11, 22, 121, 242, 77201, 154402, 849211, 1698422, 9341321, 18682642]

約数ペア:

[(1, 18682642), (2, 9341321), (11, 1698422), (22, 849211), (121, 154402), (242, 77201)]