19889720432

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23454859}}^1$

素因数の和:23454920

約数の個数: 20

約数和(自身を含む): 39263435640

約数和(自身を除く): 19373715208

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23454859, 46909718, 93819436, 187638872, 375277744, 1243107527, 2486215054, 4972430108, 9944860216, 19889720432]

約数ペア:

[(1, 19889720432), (2, 9944860216), (4, 4972430108), (8, 2486215054), (16, 1243107527), (53, 375277744), (106, 187638872), (212, 93819436), (424, 46909718), (848, 23454859)]