18809985025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1597}}^1\times {\mathrm{36241}}^1$

素因数の和:37861

約数の個数: 24

約数和(自身を含む): 25134986744

約数和(自身を除く): 6325001719

約数列:

[1, 5, 13, 25, 65, 325, 1597, 7985, 20761, 36241, 39925, 103805, 181205, 471133, 519025, 906025, 2355665, 11778325, 57876877, 289384385, 752399401, 1446921925, 3761997005, 18809985025]

約数ペア:

[(1, 18809985025), (5, 3761997005), (13, 1446921925), (25, 752399401), (65, 289384385), (325, 57876877), (1597, 11778325), (7985, 2355665), (20761, 906025), (36241, 519025), (39925, 471133), (103805, 181205)]