18906180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315103}}^1$

素因数の和:315115

約数の個数: 24

約数和(自身を含む): 52937472

約数和(自身を除く): 34031292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315103, 630206, 945309, 1260412, 1575515, 1890618, 3151030, 3781236, 4726545, 6302060, 9453090, 18906180]

約数ペア:

[(1, 18906180), (2, 9453090), (3, 6302060), (4, 4726545), (5, 3781236), (6, 3151030), (10, 1890618), (12, 1575515), (15, 1260412), (20, 945309), (30, 630206), (60, 315103)]