12688784

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18443}}^1$

素因数の和:18494

約数の個数: 20

約数和(自身を含む): 25157616

約数和(自身を除く): 12468832

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18443, 36886, 73772, 147544, 295088, 793049, 1586098, 3172196, 6344392, 12688784]

約数ペア:

[(1, 12688784), (2, 6344392), (4, 3172196), (8, 1586098), (16, 793049), (43, 295088), (86, 147544), (172, 73772), (344, 36886), (688, 18443)]