19807767

素因数分解:

$3^3\times 7^1\times {\mathrm{104803}}^1$

素因数の和:104819

約数の個数: 16

約数和(自身を含む): 33537280

約数和(自身を除く): 13729513

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 104803, 314409, 733621, 943227, 2200863, 2829681, 6602589, 19807767]

約数ペア:

[(1, 19807767), (3, 6602589), (7, 2829681), (9, 2200863), (21, 943227), (27, 733621), (63, 314409), (189, 104803)]