18901166

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{811}}^1$

素因数の和:1127

約数の個数: 16

約数和(自身を含む): 29154048

約数和(自身を除く): 10252882

約数列:

[1, 2, 43, 86, 271, 542, 811, 1622, 11653, 23306, 34873, 69746, 219781, 439562, 9450583, 18901166]

約数ペア:

[(1, 18901166), (2, 9450583), (43, 439562), (86, 219781), (271, 69746), (542, 34873), (811, 23306), (1622, 11653)]