18307551

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 25182080

約数和(自身を除く): 6874529

約数列:

[1, 3, 43, 129, 139, 417, 1021, 3063, 5977, 17931, 43903, 131709, 141919, 425757, 6102517, 18307551]

約数ペア:

[(1, 18307551), (3, 6102517), (43, 425757), (129, 141919), (139, 131709), (417, 43903), (1021, 17931), (3063, 5977)]