19825029

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2887}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 33038720

約数和(自身を除く): 13213691

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 2887, 6867, 8661, 20209, 25983, 60627, 181881, 314683, 944049, 2202781, 2832147, 6608343, 19825029]

約数ペア:

[(1, 19825029), (3, 6608343), (7, 2832147), (9, 2202781), (21, 944049), (63, 314683), (109, 181881), (327, 60627), (763, 25983), (981, 20209), (2289, 8661), (2887, 6867)]