18486861

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1031}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 25428480

約数和(自身を除く): 6941619

約数列:

[1, 3, 43, 129, 139, 417, 1031, 3093, 5977, 17931, 44333, 132999, 143309, 429927, 6162287, 18486861]

約数ペア:

[(1, 18486861), (3, 6162287), (43, 429927), (129, 143309), (139, 132999), (417, 44333), (1031, 17931), (3093, 5977)]