19309347

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1069}}^1$

素因数の和:1304

約数の個数: 20

約数和(自身を含む): 29001280

約数和(自身を除く): 9691933

約数列:

[1, 3, 9, 27, 81, 223, 669, 1069, 2007, 3207, 6021, 9621, 18063, 28863, 86589, 238387, 715161, 2145483, 6436449, 19309347]

約数ペア:

[(1, 19309347), (3, 6436449), (9, 2145483), (27, 715161), (81, 238387), (223, 86589), (669, 28863), (1069, 18063), (2007, 9621), (3207, 6021)]