18186140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129901}}^1$

素因数の和:129917

約数の個数: 24

約数和(自身を含む): 43647072

約数和(自身を除く): 25460932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129901, 259802, 519604, 649505, 909307, 1299010, 1818614, 2598020, 3637228, 4546535, 9093070, 18186140]

約数ペア:

[(1, 18186140), (2, 9093070), (4, 4546535), (5, 3637228), (7, 2598020), (10, 1818614), (14, 1299010), (20, 909307), (28, 649505), (35, 519604), (70, 259802), (140, 129901)]