19954412

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{45767}}^1$

素因数の和:45880

約数の個数: 12

約数和(自身を含む): 35241360

約数和(自身を除く): 15286948

約数列:

[1, 2, 4, 109, 218, 436, 45767, 91534, 183068, 4988603, 9977206, 19954412]

約数ペア:

[(1, 19954412), (2, 9977206), (4, 4988603), (109, 183068), (218, 91534), (436, 45767)]