18381153

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6389}}^1$

素因数の和:6536

約数の個数: 16

約数和(自身を含む): 28218240

約数和(自身を除く): 9837087

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 6389, 19167, 44723, 134169, 875293, 2625879, 6127051, 18381153]

約数ペア:

[(1, 18381153), (3, 6127051), (7, 2625879), (21, 875293), (137, 134169), (411, 44723), (959, 19167), (2877, 6389)]