19601825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 26486400

約数和(自身を除く): 6884575

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1423, 2755, 7115, 13775, 27037, 35575, 41267, 135185, 206335, 675925, 784073, 1031675, 3920365, 19601825]

約数ペア:

[(1, 19601825), (5, 3920365), (19, 1031675), (25, 784073), (29, 675925), (95, 206335), (145, 135185), (475, 41267), (551, 35575), (725, 27037), (1423, 13775), (2755, 7115)]