19105525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 24998400

約数和(自身を除く): 5892875

約数列:

[1, 5, 23, 25, 115, 149, 223, 575, 745, 1115, 3427, 3725, 5129, 5575, 17135, 25645, 33227, 85675, 128225, 166135, 764221, 830675, 3821105, 19105525]

約数ペア:

[(1, 19105525), (5, 3821105), (23, 830675), (25, 764221), (115, 166135), (149, 128225), (223, 85675), (575, 33227), (745, 25645), (1115, 17135), (3427, 5575), (3725, 5129)]