18662535

素因数分解:

$3^3\times 5^1\times {\mathrm{138241}}^1$

素因数の和:138255

約数の個数: 16

約数和(自身を含む): 33178080

約数和(自身を除く): 14515545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 138241, 414723, 691205, 1244169, 2073615, 3732507, 6220845, 18662535]

約数ペア:

[(1, 18662535), (3, 6220845), (5, 3732507), (9, 2073615), (15, 1244169), (27, 691205), (45, 414723), (135, 138241)]