18960620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135433}}^1$

素因数の和:135449

約数の個数: 24

約数和(自身を含む): 45505824

約数和(自身を除く): 26545204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135433, 270866, 541732, 677165, 948031, 1354330, 1896062, 2708660, 3792124, 4740155, 9480310, 18960620]

約数ペア:

[(1, 18960620), (2, 9480310), (4, 4740155), (5, 3792124), (7, 2708660), (10, 1896062), (14, 1354330), (20, 948031), (28, 677165), (35, 541732), (70, 270866), (140, 135433)]