19102909

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 22780800

約数和(自身を除く): 3677891

約数列:

[1, 7, 29, 139, 203, 677, 973, 4031, 4739, 19633, 28217, 94103, 137431, 658721, 2728987, 19102909]

約数ペア:

[(1, 19102909), (7, 2728987), (29, 658721), (139, 137431), (203, 94103), (677, 28217), (973, 19633), (4031, 4739)]