19449742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6863}}^1$

素因数の和:6987

約数の個数: 16

約数和(自身を含む): 31711680

約数和(自身を除く): 12261938

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 6863, 13726, 89219, 178438, 748067, 1496134, 9724871, 19449742]

約数ペア:

[(1, 19449742), (2, 9724871), (13, 1496134), (26, 748067), (109, 178438), (218, 89219), (1417, 13726), (2834, 6863)]