18960575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 24998400

約数和(自身を除く): 6037825

約数列:

[1, 5, 19, 25, 95, 179, 223, 475, 895, 1115, 3401, 4237, 4475, 5575, 17005, 21185, 39917, 85025, 105925, 199585, 758423, 997925, 3792115, 18960575]

約数ペア:

[(1, 18960575), (5, 3792115), (19, 997925), (25, 758423), (95, 199585), (179, 105925), (223, 85025), (475, 39917), (895, 21185), (1115, 17005), (3401, 5575), (4237, 4475)]