19187253

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10009}}^1$

素因数の和:10089

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 9641547

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10009, 30027, 90081, 270243, 710639, 2131917, 6395751, 19187253]

約数ペア:

[(1, 19187253), (3, 6395751), (9, 2131917), (27, 710639), (71, 270243), (213, 90081), (639, 30027), (1917, 10009)]