19021925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 25685856

約数和(自身を除く): 6663931

約数列:

[1, 5, 13, 25, 65, 107, 325, 535, 547, 1391, 2675, 2735, 6955, 7111, 13675, 34775, 35555, 58529, 177775, 292645, 760877, 1463225, 3804385, 19021925]

約数ペア:

[(1, 19021925), (5, 3804385), (13, 1463225), (25, 760877), (65, 292645), (107, 177775), (325, 58529), (535, 35555), (547, 34775), (1391, 13675), (2675, 7111), (2735, 6955)]