18205383

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20161}}^1$

素因数の和:20214

約数の個数: 16

約数和(自身を含む): 28388096

約数和(自身を除く): 10182713

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 20161, 60483, 141127, 423381, 866923, 2600769, 6068461, 18205383]

約数ペア:

[(1, 18205383), (3, 6068461), (7, 2600769), (21, 866923), (43, 423381), (129, 141127), (301, 60483), (903, 20161)]