19000925

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 24450816

約数和(自身を除く): 5449891

約数列:

[1, 5, 25, 47, 103, 157, 235, 515, 785, 1175, 2575, 3925, 4841, 7379, 16171, 24205, 36895, 80855, 121025, 184475, 404275, 760037, 3800185, 19000925]

約数ペア:

[(1, 19000925), (5, 3800185), (25, 760037), (47, 404275), (103, 184475), (157, 121025), (235, 80855), (515, 36895), (785, 24205), (1175, 16171), (2575, 7379), (3925, 4841)]