18646180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133187}}^1$

素因数の和:133203

約数の個数: 24

約数和(自身を含む): 44751168

約数和(自身を除く): 26104988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133187, 266374, 532748, 665935, 932309, 1331870, 1864618, 2663740, 3729236, 4661545, 9323090, 18646180]

約数ペア:

[(1, 18646180), (2, 9323090), (4, 4661545), (5, 3729236), (7, 2663740), (10, 1864618), (14, 1331870), (20, 932309), (28, 665935), (35, 532748), (70, 266374), (140, 133187)]