18385860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{306431}}^1$

素因数の和:306443

約数の個数: 24

約数和(自身を含む): 51480576

約数和(自身を除く): 33094716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 306431, 612862, 919293, 1225724, 1532155, 1838586, 3064310, 3677172, 4596465, 6128620, 9192930, 18385860]

約数ペア:

[(1, 18385860), (2, 9192930), (3, 6128620), (4, 4596465), (5, 3677172), (6, 3064310), (10, 1838586), (12, 1532155), (15, 1225724), (20, 919293), (30, 612862), (60, 306431)]