16640852

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{9391}}^1$

素因数の和:9838

約数の個数: 12

約数和(自身を含む): 29190336

約数和(自身を除く): 12549484

約数列:

[1, 2, 4, 443, 886, 1772, 9391, 18782, 37564, 4160213, 8320426, 16640852]

約数ペア:

[(1, 16640852), (2, 8320426), (4, 4160213), (443, 37564), (886, 18782), (1772, 9391)]