18506860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13033}}^1$

素因数の和:13113

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 20907956

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13033, 26066, 52132, 65165, 130330, 260660, 925343, 1850686, 3701372, 4626715, 9253430, 18506860]

約数ペア:

[(1, 18506860), (2, 9253430), (4, 4626715), (5, 3701372), (10, 1850686), (20, 925343), (71, 260660), (142, 130330), (284, 65165), (355, 52132), (710, 26066), (1420, 13033)]