2013210721

素因数分解:

${\mathrm{19}}^2\times {\mathrm{503}}^1\times {\mathrm{11087}}^1$

素因数の和:11628

約数の個数: 12

約数和(自身を含む): 2129162112

約数和(自身を除く): 115951391

約数列:

[1, 19, 361, 503, 9557, 11087, 181583, 210653, 4002407, 5576761, 105958459, 2013210721]

約数ペア:

[(1, 2013210721), (19, 105958459), (361, 5576761), (503, 4002407), (9557, 210653), (11087, 181583)]