12657136

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18397}}^1$

素因数の和:18448

約数の個数: 20

約数和(自身を含む): 25094872

約数和(自身を除く): 12437736

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18397, 36794, 73588, 147176, 294352, 791071, 1582142, 3164284, 6328568, 12657136]

約数ペア:

[(1, 12657136), (2, 6328568), (4, 3164284), (8, 1582142), (16, 791071), (43, 294352), (86, 147176), (172, 73588), (344, 36794), (688, 18397)]