18515497

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 6886103

約数列:

[1, 7, 11, 13, 53, 77, 91, 143, 349, 371, 583, 689, 1001, 2443, 3839, 4081, 4537, 4823, 7579, 18497, 26873, 31759, 49907, 53053, 129479, 203467, 240461, 349349, 1424269, 1683227, 2645071, 18515497]

約数ペア:

[(1, 18515497), (7, 2645071), (11, 1683227), (13, 1424269), (53, 349349), (77, 240461), (91, 203467), (143, 129479), (349, 53053), (371, 49907), (583, 31759), (689, 26873), (1001, 18497), (2443, 7579), (3839, 4823), (4081, 4537)]