19408975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1409}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 26226000

約数和(自身を除く): 6817025

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1409, 2755, 7045, 13775, 26771, 35225, 40861, 133855, 204305, 669275, 776359, 1021525, 3881795, 19408975]

約数ペア:

[(1, 19408975), (5, 3881795), (19, 1021525), (25, 776359), (29, 669275), (95, 204305), (145, 133855), (475, 40861), (551, 35225), (725, 26771), (1409, 13775), (2755, 7045)]