18967495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 24920784

約数和(自身を除く): 5953289

約数列:

[1, 5, 17, 37, 85, 163, 185, 629, 815, 1369, 2771, 3145, 6031, 6845, 13855, 23273, 30155, 102527, 116365, 223147, 512635, 1115735, 3793499, 18967495]

約数ペア:

[(1, 18967495), (5, 3793499), (17, 1115735), (37, 512635), (85, 223147), (163, 116365), (185, 102527), (629, 30155), (815, 23273), (1369, 13855), (2771, 6845), (3145, 6031)]