19222180

素因数分解:

$2^2\times 5^1\times {\mathrm{961109}}^1$

素因数の和:961118

約数の個数: 12

約数和(自身を含む): 40366620

約数和(自身を除く): 21144440

約数列:

[1, 2, 4, 5, 10, 20, 961109, 1922218, 3844436, 4805545, 9611090, 19222180]

約数ペア:

[(1, 19222180), (2, 9611090), (4, 4805545), (5, 3844436), (10, 1922218), (20, 961109)]