19969268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{453847}}^1$

素因数の和:453862

約数の個数: 12

約数和(自身を含む): 38123232

約数和(自身を除く): 18153964

約数列:

[1, 2, 4, 11, 22, 44, 453847, 907694, 1815388, 4992317, 9984634, 19969268]

約数ペア:

[(1, 19969268), (2, 9984634), (4, 4992317), (11, 1815388), (22, 907694), (44, 453847)]