18517510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2460

約数の個数: 32

約数和(自身を含む): 36889344

約数和(自身を除く): 18371834

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2371, 3905, 4742, 7810, 11855, 23710, 26081, 52162, 130405, 168341, 260810, 336682, 841705, 1683410, 1851751, 3703502, 9258755, 18517510]

約数ペア:

[(1, 18517510), (2, 9258755), (5, 3703502), (10, 1851751), (11, 1683410), (22, 841705), (55, 336682), (71, 260810), (110, 168341), (142, 130405), (355, 52162), (710, 26081), (781, 23710), (1562, 11855), (2371, 7810), (3905, 4742)]