18091073

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 25740288

約数和(自身を除く): 7649215

約数列:

[1, 7, 11, 13, 31, 53, 77, 91, 121, 143, 217, 341, 371, 403, 583, 689, 847, 1001, 1573, 1643, 2387, 2821, 3751, 4081, 4433, 4823, 6413, 7579, 11011, 11501, 18073, 21359, 26257, 31031, 44891, 48763, 53053, 83369, 126511, 149513, 198803, 234949, 341341, 583583, 1391621, 1644643, 2584439, 18091073]

約数ペア:

[(1, 18091073), (7, 2584439), (11, 1644643), (13, 1391621), (31, 583583), (53, 341341), (77, 234949), (91, 198803), (121, 149513), (143, 126511), (217, 83369), (341, 53053), (371, 48763), (403, 44891), (583, 31031), (689, 26257), (847, 21359), (1001, 18073), (1573, 11501), (1643, 11011), (2387, 7579), (2821, 6413), (3751, 4823), (4081, 4433)]