19929094

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2531}}^1$

素因数の和:2691

約数の個数: 16

約数和(自身を含む): 31113216

約数和(自身を除く): 11184122

約数列:

[1, 2, 31, 62, 127, 254, 2531, 3937, 5062, 7874, 78461, 156922, 321437, 642874, 9964547, 19929094]

約数ペア:

[(1, 19929094), (2, 9964547), (31, 642874), (62, 321437), (127, 156922), (254, 78461), (2531, 7874), (3937, 5062)]