12845648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18671}}^1$

素因数の和:18722

約数の個数: 20

約数和(自身を含む): 25468608

約数和(自身を除く): 12622960

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18671, 37342, 74684, 149368, 298736, 802853, 1605706, 3211412, 6422824, 12845648]

約数ペア:

[(1, 12845648), (2, 6422824), (4, 3211412), (8, 1605706), (16, 802853), (43, 298736), (86, 149368), (172, 74684), (344, 37342), (688, 18671)]