19982644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{454151}}^1$

素因数の和:454166

約数の個数: 12

約数和(自身を含む): 38148768

約数和(自身を除く): 18166124

約数列:

[1, 2, 4, 11, 22, 44, 454151, 908302, 1816604, 4995661, 9991322, 19982644]

約数ペア:

[(1, 19982644), (2, 9991322), (4, 4995661), (11, 1816604), (22, 908302), (44, 454151)]