19717288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{129719}}^1$

素因数の和:129744

約数の個数: 16

約数和(自身を含む): 38916000

約数和(自身を除く): 19198712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 129719, 259438, 518876, 1037752, 2464661, 4929322, 9858644, 19717288]

約数ペア:

[(1, 19717288), (2, 9858644), (4, 4929322), (8, 2464661), (19, 1037752), (38, 518876), (76, 259438), (152, 129719)]