13129456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43189}}^1$

素因数の和:43216

約数の個数: 20

約数和(自身を含む): 26777800

約数和(自身を除く): 13648344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 43189, 86378, 172756, 345512, 691024, 820591, 1641182, 3282364, 6564728, 13129456]

約数ペア:

[(1, 13129456), (2, 6564728), (4, 3282364), (8, 1641182), (16, 820591), (19, 691024), (38, 345512), (76, 172756), (152, 86378), (304, 43189)]