2019920768

素因数分解:

$2^7\times {\mathrm{15780631}}^1$

素因数の和:15780645

約数の個数: 16

約数和(自身を含む): 4024061160

約数和(自身を除く): 2004140392

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 15780631, 31561262, 63122524, 126245048, 252490096, 504980192, 1009960384, 2019920768]

約数ペア:

[(1, 2019920768), (2, 1009960384), (4, 504980192), (8, 252490096), (16, 126245048), (32, 63122524), (64, 31561262), (128, 15780631)]