18219880809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{7789}}^1\times {\mathrm{19993}}^1$

素因数の和:27801

約数の個数: 24

約数和(自身を含む): 28347093320

約数和(自身を除く): 10127212511

約数列:

[1, 3, 9, 13, 39, 117, 7789, 19993, 23367, 59979, 70101, 101257, 179937, 259909, 303771, 779727, 911313, 2339181, 155725477, 467176431, 1401529293, 2024431201, 6073293603, 18219880809]

約数ペア:

[(1, 18219880809), (3, 6073293603), (9, 2024431201), (13, 1401529293), (39, 467176431), (117, 155725477), (7789, 2339181), (19993, 911313), (23367, 779727), (59979, 303771), (70101, 259909), (101257, 179937)]