19660180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9187}}^1$

素因数の和:9303

約数の個数: 24

約数和(自身を含む): 41676768

約数和(自身を除く): 22016588

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9187, 18374, 36748, 45935, 91870, 183740, 983009, 1966018, 3932036, 4915045, 9830090, 19660180]

約数ペア:

[(1, 19660180), (2, 9830090), (4, 4915045), (5, 3932036), (10, 1966018), (20, 983009), (107, 183740), (214, 91870), (428, 45935), (535, 36748), (1070, 18374), (2140, 9187)]