19949438

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3797}}^1$

素因数の和:3907

約数の個数: 16

約数和(自身を含む): 31173984

約数和(自身を除く): 11224546

約数列:

[1, 2, 37, 71, 74, 142, 2627, 3797, 5254, 7594, 140489, 269587, 280978, 539174, 9974719, 19949438]

約数ペア:

[(1, 19949438), (2, 9974719), (37, 539174), (71, 280978), (74, 269587), (142, 140489), (2627, 7594), (3797, 5254)]