18719727

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{709}}^1$

素因数の和:1402

約数の個数: 16

約数和(自身を含む): 26957280

約数和(自身を除く): 8237553

約数列:

[1, 3, 13, 39, 677, 709, 2031, 2127, 8801, 9217, 26403, 27651, 479993, 1439979, 6239909, 18719727]

約数ペア:

[(1, 18719727), (3, 6239909), (13, 1439979), (39, 479993), (677, 27651), (709, 26403), (2031, 9217), (2127, 8801)]