18155929

素因数分解:

${\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{829}}^1$

素因数の和:1032

約数の個数: 12

約数和(自身を含む): 20090980

約数和(自身を除く): 1935051

約数列:

[1, 11, 121, 181, 829, 1991, 9119, 21901, 100309, 150049, 1650539, 18155929]

約数ペア:

[(1, 18155929), (11, 1650539), (121, 150049), (181, 100309), (829, 21901), (1991, 9119)]