18264155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 27264384

約数和(自身を除く): 9000229

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 293, 455, 685, 959, 1465, 1781, 2051, 3809, 4795, 8905, 10255, 12467, 19045, 26663, 40141, 62335, 133315, 200705, 280987, 521833, 1404935, 2609165, 3652831, 18264155]

約数ペア:

[(1, 18264155), (5, 3652831), (7, 2609165), (13, 1404935), (35, 521833), (65, 280987), (91, 200705), (137, 133315), (293, 62335), (455, 40141), (685, 26663), (959, 19045), (1465, 12467), (1781, 10255), (2051, 8905), (3809, 4795)]