12743824

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18523}}^1$

素因数の和:18574

約数の個数: 20

約数和(自身を含む): 25266736

約数和(自身を除く): 12522912

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18523, 37046, 74092, 148184, 296368, 796489, 1592978, 3185956, 6371912, 12743824]

約数ペア:

[(1, 12743824), (2, 6371912), (4, 3185956), (8, 1592978), (16, 796489), (43, 296368), (86, 148184), (172, 74092), (344, 37046), (688, 18523)]