15990444

素因数分解:

$2^2\times 3^2\times {\mathrm{444179}}^1$

素因数の和:444189

約数の個数: 18

約数和(自身を含む): 40420380

約数和(自身を除く): 24429936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 444179, 888358, 1332537, 1776716, 2665074, 3997611, 5330148, 7995222, 15990444]

約数ペア:

[(1, 15990444), (2, 7995222), (3, 5330148), (4, 3997611), (6, 2665074), (9, 1776716), (12, 1332537), (18, 888358), (36, 444179)]