123260638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{17921}}^1$

素因数の和:18123

約数の個数: 16

約数和(自身を含む): 195708240

約数和(自身を除く): 72447602

約数列:

[1, 2, 19, 38, 181, 362, 3439, 6878, 17921, 35842, 340499, 680998, 3243701, 6487402, 61630319, 123260638]

約数ペア:

[(1, 123260638), (2, 61630319), (19, 6487402), (38, 3243701), (181, 680998), (362, 340499), (3439, 35842), (6878, 17921)]