30640518

素因数分解:

$2^1\times 3^4\times {\mathrm{189139}}^1$

素因数の和:189153

約数の個数: 20

約数和(自身を含む): 68657820

約数和(自身を除く): 38017302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 189139, 378278, 567417, 1134834, 1702251, 3404502, 5106753, 10213506, 15320259, 30640518]

約数ペア:

[(1, 30640518), (2, 15320259), (3, 10213506), (6, 5106753), (9, 3404502), (18, 1702251), (27, 1134834), (54, 567417), (81, 378278), (162, 189139)]