19454825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1985

約数の個数: 24

約数和(自身を含む): 26831616

約数和(自身を除く): 7376791

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1931, 2015, 9655, 10075, 25103, 48275, 59861, 125515, 299305, 627575, 778193, 1496525, 3890965, 19454825]

約数ペア:

[(1, 19454825), (5, 3890965), (13, 1496525), (25, 778193), (31, 627575), (65, 299305), (155, 125515), (325, 59861), (403, 48275), (775, 25103), (1931, 10075), (2015, 9655)]