18968435

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2309}}^1$

素因数の和:2398

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 4981645

約数列:

[1, 5, 31, 53, 155, 265, 1643, 2309, 8215, 11545, 71579, 122377, 357895, 611885, 3793687, 18968435]

約数ペア:

[(1, 18968435), (5, 3793687), (31, 611885), (53, 357895), (155, 122377), (265, 71579), (1643, 11545), (2309, 8215)]