18888891

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{10837}}^1$

素因数の和:10930

約数の個数: 16

約数和(自身を含む): 29132544

約数和(自身を除く): 10243653

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 10837, 32511, 75859, 227577, 899471, 2698413, 6296297, 18888891]

約数ペア:

[(1, 18888891), (3, 6296297), (7, 2698413), (21, 899471), (83, 227577), (249, 75859), (581, 32511), (1743, 10837)]