18997683

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 26035200

約数和(自身を除く): 7037517

約数列:

[1, 3, 71, 79, 213, 237, 1129, 3387, 5609, 16827, 80159, 89191, 240477, 267573, 6332561, 18997683]

約数ペア:

[(1, 18997683), (3, 6332561), (71, 267573), (79, 240477), (213, 89191), (237, 80159), (1129, 16827), (3387, 5609)]