31990428

素因数分解:

$2^2\times 3^2\times {\mathrm{888623}}^1$

素因数の和:888633

約数の個数: 18

約数和(自身を含む): 80864784

約数和(自身を除く): 48874356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 888623, 1777246, 2665869, 3554492, 5331738, 7997607, 10663476, 15995214, 31990428]

約数ペア:

[(1, 31990428), (2, 15995214), (3, 10663476), (4, 7997607), (6, 5331738), (9, 3554492), (12, 2665869), (18, 1777246), (36, 888623)]