19963851

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4933}}^1$

素因数の和:5026

約数の個数: 16

約数和(自身を含む): 28419840

約数和(自身を除く): 8455989

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4933, 14799, 93727, 281181, 350243, 1050729, 6654617, 19963851]

約数ペア:

[(1, 19963851), (3, 6654617), (19, 1050729), (57, 350243), (71, 281181), (213, 93727), (1349, 14799), (4047, 4933)]