19538954305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1\times {\mathrm{12011}}^1$

素因数の和:12921

約数の個数: 32

約数和(自身を含む): 26153487360

約数和(自身を除く): 6614533055

約数列:

[1, 5, 13, 29, 65, 145, 377, 863, 1885, 4315, 11219, 12011, 25027, 56095, 60055, 125135, 156143, 325351, 348319, 780715, 1626755, 1741595, 4528147, 10365493, 22640735, 51827465, 134751409, 300599297, 673757045, 1502996485, 3907790861, 19538954305]

約数ペア:

[(1, 19538954305), (5, 3907790861), (13, 1502996485), (29, 673757045), (65, 300599297), (145, 134751409), (377, 51827465), (863, 22640735), (1885, 10365493), (4315, 4528147), (11219, 1741595), (12011, 1626755), (25027, 780715), (56095, 348319), (60055, 325351), (125135, 156143)]