19900996868

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{74257451}}^1$

素因数の和:74257522

約数の個数: 12

約数和(自身を含む): 35346547152

約数和(自身を除く): 15445550284

約数列:

[1, 2, 4, 67, 134, 268, 74257451, 148514902, 297029804, 4975249217, 9950498434, 19900996868]

約数ペア:

[(1, 19900996868), (2, 9950498434), (4, 4975249217), (67, 297029804), (134, 148514902), (268, 74257451)]