19128717

素因数分解:

$3^5\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 28863744

約数和(自身を除く): 9735027

約数列:

[1, 3, 9, 27, 81, 223, 243, 353, 669, 1059, 2007, 3177, 6021, 9531, 18063, 28593, 54189, 78719, 85779, 236157, 708471, 2125413, 6376239, 19128717]

約数ペア:

[(1, 19128717), (3, 6376239), (9, 2125413), (27, 708471), (81, 236157), (223, 85779), (243, 78719), (353, 54189), (669, 28593), (1059, 18063), (2007, 9531), (3177, 6021)]