18638782

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:747

約数の個数: 16

約数和(自身を含む): 28424880

約数和(自身を除く): 9786098

約数列:

[1, 2, 109, 193, 218, 386, 443, 886, 21037, 42074, 48287, 85499, 96574, 170998, 9319391, 18638782]

約数ペア:

[(1, 18638782), (2, 9319391), (109, 170998), (193, 96574), (218, 85499), (386, 48287), (443, 42074), (886, 21037)]