18386220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{306437}}^1$

素因数の和:306449

約数の個数: 24

約数和(自身を含む): 51481584

約数和(自身を除く): 33095364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 306437, 612874, 919311, 1225748, 1532185, 1838622, 3064370, 3677244, 4596555, 6128740, 9193110, 18386220]

約数ペア:

[(1, 18386220), (2, 9193110), (3, 6128740), (4, 4596555), (5, 3677244), (6, 3064370), (10, 1838622), (12, 1532185), (15, 1225748), (20, 919311), (30, 612874), (60, 306437)]