18981501

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{82171}}^1$

素因数の和:82192

約数の個数: 16

約数和(自身を含む): 31554048

約数和(自身を除く): 12572547

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 82171, 246513, 575197, 903881, 1725591, 2711643, 6327167, 18981501]

約数ペア:

[(1, 18981501), (3, 6327167), (7, 2711643), (11, 1725591), (21, 903881), (33, 575197), (77, 246513), (231, 82171)]