18806276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{247451}}^1$

素因数の和:247474

約数の個数: 12

約数和(自身を含む): 34643280

約数和(自身を除く): 15837004

約数列:

[1, 2, 4, 19, 38, 76, 247451, 494902, 989804, 4701569, 9403138, 18806276]

約数ペア:

[(1, 18806276), (2, 9403138), (4, 4701569), (19, 989804), (38, 494902), (76, 247451)]