18678804957

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{7773119}}^1$

素因数の和:7773217

約数の個数: 16

約数和(自身を含む): 27983232000

約数和(自身を除く): 9304427043

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 7773119, 23319357, 69958071, 209874213, 691807591, 2075422773, 6226268319, 18678804957]

約数ペア:

[(1, 18678804957), (3, 6226268319), (9, 2075422773), (27, 691807591), (89, 209874213), (267, 69958071), (801, 23319357), (2403, 7773119)]