18870879

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1511}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 26417664

約数和(自身を除く): 7546785

約数列:

[1, 3, 23, 69, 181, 543, 1511, 4163, 4533, 12489, 34753, 104259, 273491, 820473, 6290293, 18870879]

約数ペア:

[(1, 18870879), (3, 6290293), (23, 820473), (69, 273491), (181, 104259), (543, 34753), (1511, 12489), (4163, 4533)]