18984051

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3301}}^1$

素因数の和:3384

約数の個数: 20

約数和(自身を含む): 28767024

約数和(自身を除く): 9782973

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3301, 5751, 9903, 29709, 89127, 234371, 267381, 703113, 2109339, 6328017, 18984051]

約数ペア:

[(1, 18984051), (3, 6328017), (9, 2109339), (27, 703113), (71, 267381), (81, 234371), (213, 89127), (639, 29709), (1917, 9903), (3301, 5751)]