18065805

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 30417024

約数和(自身を除く): 12351219

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 757, 1591, 2271, 3785, 4773, 7955, 11355, 23865, 28009, 32551, 84027, 97653, 140045, 162755, 420135, 488265, 1204387, 3613161, 6021935, 18065805]

約数ペア:

[(1, 18065805), (3, 6021935), (5, 3613161), (15, 1204387), (37, 488265), (43, 420135), (111, 162755), (129, 140045), (185, 97653), (215, 84027), (555, 32551), (645, 28009), (757, 23865), (1591, 11355), (2271, 7955), (3785, 4773)]