19418217

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71129}}^1$

素因数の和:71152

約数の個数: 16

約数和(自身を含む): 31866240

約数和(自身を除く): 12448023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 71129, 213387, 497903, 924677, 1493709, 2774031, 6472739, 19418217]

約数ペア:

[(1, 19418217), (3, 6472739), (7, 2774031), (13, 1493709), (21, 924677), (39, 497903), (91, 213387), (273, 71129)]