19055540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136111}}^1$

素因数の和:136127

約数の個数: 24

約数和(自身を含む): 45733632

約数和(自身を除く): 26678092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136111, 272222, 544444, 680555, 952777, 1361110, 1905554, 2722220, 3811108, 4763885, 9527770, 19055540]

約数ペア:

[(1, 19055540), (2, 9527770), (4, 4763885), (5, 3811108), (7, 2722220), (10, 1905554), (14, 1361110), (20, 952777), (28, 680555), (35, 544444), (70, 272222), (140, 136111)]