19905063

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{827}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 27184896

約数和(自身を除く): 7279833

約数列:

[1, 3, 71, 113, 213, 339, 827, 2481, 8023, 24069, 58717, 93451, 176151, 280353, 6635021, 19905063]

約数ペア:

[(1, 19905063), (3, 6635021), (71, 280353), (113, 176151), (213, 93451), (339, 58717), (827, 24069), (2481, 8023)]