18108425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 24031200

約数和(自身を除く): 5922775

約数列:

[1, 5, 19, 25, 67, 95, 335, 475, 569, 1273, 1675, 2845, 6365, 10811, 14225, 31825, 38123, 54055, 190615, 270275, 724337, 953075, 3621685, 18108425]

約数ペア:

[(1, 18108425), (5, 3621685), (19, 953075), (25, 724337), (67, 270275), (95, 190615), (335, 54055), (475, 38123), (569, 31825), (1273, 14225), (1675, 10811), (2845, 6365)]