19516556

素因数分解:

$2^2\times {\mathrm{677}}^1\times {\mathrm{7207}}^1$

素因数の和:7888

約数の個数: 12

約数和(自身を含む): 34209168

約数和(自身を除く): 14692612

約数列:

[1, 2, 4, 677, 1354, 2708, 7207, 14414, 28828, 4879139, 9758278, 19516556]

約数ペア:

[(1, 19516556), (2, 9758278), (4, 4879139), (677, 28828), (1354, 14414), (2708, 7207)]