19886908415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{32870923}}^1$

素因数の和:32870950

約数の個数: 12

約数和(自身を含む): 26230997352

約数和(自身を除く): 6344088937

約数列:

[1, 5, 11, 55, 121, 605, 32870923, 164354615, 361580153, 1807900765, 3977381683, 19886908415]

約数ペア:

[(1, 19886908415), (5, 3977381683), (11, 1807900765), (55, 361580153), (121, 164354615), (605, 32870923)]