19206896

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27917}}^1$

素因数の和:27968

約数の個数: 20

約数和(自身を含む): 38080152

約数和(自身を除く): 18873256

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27917, 55834, 111668, 223336, 446672, 1200431, 2400862, 4801724, 9603448, 19206896]

約数ペア:

[(1, 19206896), (2, 9603448), (4, 4801724), (8, 2400862), (16, 1200431), (43, 446672), (86, 223336), (172, 111668), (344, 55834), (688, 27917)]