12859408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18691}}^1$

素因数の和:18742

約数の個数: 20

約数和(自身を含む): 25495888

約数和(自身を除く): 12636480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18691, 37382, 74764, 149528, 299056, 803713, 1607426, 3214852, 6429704, 12859408]

約数ペア:

[(1, 12859408), (2, 6429704), (4, 3214852), (8, 1607426), (16, 803713), (43, 299056), (86, 149528), (172, 74764), (344, 37382), (688, 18691)]