19928950

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1889}}^1$

素因数の和:2112

約数の個数: 24

約数和(自身を含む): 37263240

約数和(自身を除く): 17334290

約数列:

[1, 2, 5, 10, 25, 50, 211, 422, 1055, 1889, 2110, 3778, 5275, 9445, 10550, 18890, 47225, 94450, 398579, 797158, 1992895, 3985790, 9964475, 19928950]

約数ペア:

[(1, 19928950), (2, 9964475), (5, 3985790), (10, 1992895), (25, 797158), (50, 398579), (211, 94450), (422, 47225), (1055, 18890), (1889, 10550), (2110, 9445), (3778, 5275)]