19858819

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 21683200

約数和(自身を除く): 1824381

約数列:

[1, 19, 43, 109, 223, 817, 2071, 4237, 4687, 9589, 24307, 89053, 182191, 461833, 1045201, 19858819]

約数ペア:

[(1, 19858819), (19, 1045201), (43, 461833), (109, 182191), (223, 89053), (817, 24307), (2071, 9589), (4237, 4687)]