18905667

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8069}}^1$

素因数の和:8154

約数の個数: 16

約数和(自身を含む): 27889920

約数和(自身を除く): 8984253

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8069, 24207, 88759, 266277, 572899, 1718697, 6301889, 18905667]

約数ペア:

[(1, 18905667), (3, 6301889), (11, 1718697), (33, 572899), (71, 266277), (213, 88759), (781, 24207), (2343, 8069)]