31980924

素因数分解:

$2^2\times 3^2\times {\mathrm{888359}}^1$

素因数の和:888369

約数の個数: 18

約数和(自身を含む): 80840760

約数和(自身を除く): 48859836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 888359, 1776718, 2665077, 3553436, 5330154, 7995231, 10660308, 15990462, 31980924]

約数ペア:

[(1, 31980924), (2, 15990462), (3, 10660308), (4, 7995231), (6, 5330154), (9, 3553436), (12, 2665077), (18, 1776718), (36, 888359)]