20157134618

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{27918469}}^1$

素因数の和:27918509

約数の個数: 12

約数和(自身を含む): 31910811210

約数和(自身を除く): 11753676592

約数列:

[1, 2, 19, 38, 361, 722, 27918469, 55836938, 530450911, 1060901822, 10078567309, 20157134618]

約数ペア:

[(1, 20157134618), (2, 10078567309), (19, 1060901822), (38, 530450911), (361, 55836938), (722, 27918469)]