18891041

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 20942208

約数和(自身を除く): 2051167

約数列:

[1, 13, 71, 97, 211, 923, 1261, 2743, 6887, 14981, 20467, 89531, 194753, 266071, 1453157, 18891041]

約数ペア:

[(1, 18891041), (13, 1453157), (71, 266071), (97, 194753), (211, 89531), (923, 20467), (1261, 14981), (2743, 6887)]