19882126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4993}}^1$

素因数の和:5187

約数の個数: 16

約数和(自身を含む): 32720688

約数和(自身を除く): 12838562

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 4993, 9986, 54923, 109846, 903733, 1807466, 9941063, 19882126]

約数ペア:

[(1, 19882126), (2, 9941063), (11, 1807466), (22, 903733), (181, 109846), (362, 54923), (1991, 9986), (3982, 4993)]