18213507

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{155671}}^1$

素因数の和:155690

約数の個数: 12

約数和(自身を含む): 28332304

約数和(自身を除く): 10118797

約数列:

[1, 3, 9, 13, 39, 117, 155671, 467013, 1401039, 2023723, 6071169, 18213507]

約数ペア:

[(1, 18213507), (3, 6071169), (9, 2023723), (13, 1401039), (39, 467013), (117, 155671)]