12723184

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18493}}^1$

素因数の和:18544

約数の個数: 20

約数和(自身を含む): 25225816

約数和(自身を除く): 12502632

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18493, 36986, 73972, 147944, 295888, 795199, 1590398, 3180796, 6361592, 12723184]

約数ペア:

[(1, 12723184), (2, 6361592), (4, 3180796), (8, 1590398), (16, 795199), (43, 295888), (86, 147944), (172, 73972), (344, 36986), (688, 18493)]