18840759

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8231}}^1$

素因数の和:8350

約数の個数: 16

約数和(自身を含む): 28976640

約数和(自身を除く): 10135881

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8231, 24693, 57617, 172851, 897179, 2691537, 6280253, 18840759]

約数ペア:

[(1, 18840759), (3, 6280253), (7, 2691537), (21, 897179), (109, 172851), (327, 57617), (763, 24693), (2289, 8231)]