18725157

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2591}}^1$

素因数の和:2681

約数の個数: 24

約数和(自身を含む): 29922048

約数和(自身を除く): 11196891

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2591, 7227, 7773, 23319, 28501, 85503, 189143, 256509, 567429, 1702287, 2080573, 6241719, 18725157]

約数ペア:

[(1, 18725157), (3, 6241719), (9, 2080573), (11, 1702287), (33, 567429), (73, 256509), (99, 189143), (219, 85503), (657, 28501), (803, 23319), (2409, 7773), (2591, 7227)]