18687021

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 25730880

約数和(自身を除く): 7043859

約数列:

[1, 3, 41, 123, 139, 417, 1093, 3279, 5699, 17097, 44813, 134439, 151927, 455781, 6229007, 18687021]

約数ペア:

[(1, 18687021), (3, 6229007), (41, 455781), (123, 151927), (139, 134439), (417, 44813), (1093, 17097), (3279, 5699)]