19813590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220151}}^1$

素因数の和:220164

約数の個数: 24

約数和(自身を含む): 51515568

約数和(自身を除く): 31701978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220151, 440302, 660453, 1100755, 1320906, 1981359, 2201510, 3302265, 3962718, 6604530, 9906795, 19813590]

約数ペア:

[(1, 19813590), (2, 9906795), (3, 6604530), (5, 3962718), (6, 3302265), (9, 2201510), (10, 1981359), (15, 1320906), (18, 1100755), (30, 660453), (45, 440302), (90, 220151)]