18436180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131687}}^1$

素因数の和:131703

約数の個数: 24

約数和(自身を含む): 44247168

約数和(自身を除く): 25810988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131687, 263374, 526748, 658435, 921809, 1316870, 1843618, 2633740, 3687236, 4609045, 9218090, 18436180]

約数ペア:

[(1, 18436180), (2, 9218090), (4, 4609045), (5, 3687236), (7, 2633740), (10, 1843618), (14, 1316870), (20, 921809), (28, 658435), (35, 526748), (70, 263374), (140, 131687)]