19065925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 25317576

約数和(自身を除く): 6251651

約数列:

[1, 5, 17, 25, 85, 113, 397, 425, 565, 1921, 1985, 2825, 6749, 9605, 9925, 33745, 44861, 48025, 168725, 224305, 762637, 1121525, 3813185, 19065925]

約数ペア:

[(1, 19065925), (5, 3813185), (17, 1121525), (25, 762637), (85, 224305), (113, 168725), (397, 48025), (425, 44861), (565, 33745), (1921, 9925), (1985, 9605), (2825, 6749)]