19958444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{453601}}^1$

素因数の和:453616

約数の個数: 12

約数和(自身を含む): 38102568

約数和(自身を除く): 18144124

約数列:

[1, 2, 4, 11, 22, 44, 453601, 907202, 1814404, 4989611, 9979222, 19958444]

約数ペア:

[(1, 19958444), (2, 9979222), (4, 4989611), (11, 1814404), (22, 907202), (44, 453601)]