20181268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{265543}}^1$

素因数の和:265566

約数の個数: 12

約数和(自身を含む): 37176160

約数和(自身を除く): 16994892

約数列:

[1, 2, 4, 19, 38, 76, 265543, 531086, 1062172, 5045317, 10090634, 20181268]

約数ペア:

[(1, 20181268), (2, 10090634), (4, 5045317), (19, 1062172), (38, 531086), (76, 265543)]