18539547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7793}}^1$

素因数の和:7870

約数の個数: 16

約数和(自身を含む): 27060768

約数和(自身を除く): 8521221

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 7793, 23379, 101309, 303927, 475373, 1426119, 6179849, 18539547]

約数ペア:

[(1, 18539547), (3, 6179849), (13, 1426119), (39, 475373), (61, 303927), (183, 101309), (793, 23379), (2379, 7793)]