12886864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42391}}^1$

素因数の和:42418

約数の個数: 20

約数和(自身を含む): 26283040

約数和(自身を除く): 13396176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42391, 84782, 169564, 339128, 678256, 805429, 1610858, 3221716, 6443432, 12886864]

約数ペア:

[(1, 12886864), (2, 6443432), (4, 3221716), (8, 1610858), (16, 805429), (19, 678256), (38, 339128), (76, 169564), (152, 84782), (304, 42391)]