2013221551

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{2801}}^1$

素因数の和:3031

約数の個数: 24

約数和(自身を含む): 2331555408

約数和(自身を除く): 318333857

約数列:

[1, 11, 19, 181, 209, 361, 1991, 2801, 3439, 3971, 30811, 37829, 53219, 65341, 506981, 585409, 718751, 1011161, 5576791, 9632639, 11122771, 105959029, 183020141, 2013221551]

約数ペア:

[(1, 2013221551), (11, 183020141), (19, 105959029), (181, 11122771), (209, 9632639), (361, 5576791), (1991, 1011161), (2801, 718751), (3439, 585409), (3971, 506981), (30811, 65341), (37829, 53219)]