19840534

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{17939}}^1$

素因数の和:18027

約数の個数: 16

約数和(自身を含む): 34444800

約数和(自身を除く): 14604266

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 17939, 35878, 125573, 251146, 1417181, 2834362, 9920267, 19840534]

約数ペア:

[(1, 19840534), (2, 9920267), (7, 2834362), (14, 1417181), (79, 251146), (158, 125573), (553, 35878), (1106, 17939)]