12659888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18401}}^1$

素因数の和:18452

約数の個数: 20

約数和(自身を含む): 25100328

約数和(自身を除く): 12440440

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18401, 36802, 73604, 147208, 294416, 791243, 1582486, 3164972, 6329944, 12659888]

約数ペア:

[(1, 12659888), (2, 6329944), (4, 3164972), (8, 1582486), (16, 791243), (43, 294416), (86, 147208), (172, 73604), (344, 36802), (688, 18401)]