19306025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 25593600

約数和(自身を除く): 6287575

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 859, 899, 4295, 4495, 21475, 22475, 24911, 26629, 124555, 133145, 622775, 665725, 772241, 3861205, 19306025]

約数ペア:

[(1, 19306025), (5, 3861205), (25, 772241), (29, 665725), (31, 622775), (145, 133145), (155, 124555), (725, 26629), (775, 24911), (859, 22475), (899, 21475), (4295, 4495)]