18184180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129887}}^1$

素因数の和:129903

約数の個数: 24

約数和(自身を含む): 43642368

約数和(自身を除く): 25458188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129887, 259774, 519548, 649435, 909209, 1298870, 1818418, 2597740, 3636836, 4546045, 9092090, 18184180]

約数ペア:

[(1, 18184180), (2, 9092090), (4, 4546045), (5, 3636836), (7, 2597740), (10, 1818418), (14, 1298870), (20, 909209), (28, 649435), (35, 519548), (70, 259774), (140, 129887)]