18890485

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{769}}^1$

素因数の和:825

約数の個数: 16

約数和(自身を含む): 24116400

約数和(自身を除く): 5225915

約数列:

[1, 5, 17, 85, 289, 769, 1445, 3845, 4913, 13073, 24565, 65365, 222241, 1111205, 3778097, 18890485]

約数ペア:

[(1, 18890485), (5, 3778097), (17, 1111205), (85, 222241), (289, 65365), (769, 24565), (1445, 13073), (3845, 4913)]