18708381

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40759}}^1$

素因数の和:40785

約数の個数: 16

約数和(自身を含む): 29347200

約数和(自身を除く): 10638819

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40759, 122277, 366831, 692903, 1100493, 2078709, 6236127, 18708381]

約数ペア:

[(1, 18708381), (3, 6236127), (9, 2078709), (17, 1100493), (27, 692903), (51, 366831), (153, 122277), (459, 40759)]