19903896209

素因数分解:

${\mathrm{131}}^1\times {\mathrm{9739}}^1\times {\mathrm{15601}}^1$

素因数の和:25471

約数の個数: 8

約数和(自身を含む): 20059179360

約数和(自身を除く): 155283151

約数列:

[1, 131, 9739, 15601, 1275809, 2043731, 151938139, 19903896209]

約数ペア:

[(1, 19903896209), (131, 151938139), (9739, 2043731), (15601, 1275809)]