19440957

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2027}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 27256320

約数和(自身を除く): 7815363

約数列:

[1, 3, 23, 69, 139, 417, 2027, 3197, 6081, 9591, 46621, 139863, 281753, 845259, 6480319, 19440957]

約数ペア:

[(1, 19440957), (3, 6480319), (23, 845259), (69, 281753), (139, 139863), (417, 46621), (2027, 9591), (3197, 6081)]