19191263

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6803}}^1$

素因数の和:6854

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 5194273

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6803, 47621, 88439, 210893, 619073, 1476251, 2741609, 19191263]

約数ペア:

[(1, 19191263), (7, 2741609), (13, 1476251), (31, 619073), (91, 210893), (217, 88439), (403, 47621), (2821, 6803)]