19627580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140197}}^1$

素因数の和:140213

約数の個数: 24

約数和(自身を含む): 47106528

約数和(自身を除く): 27478948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140197, 280394, 560788, 700985, 981379, 1401970, 1962758, 2803940, 3925516, 4906895, 9813790, 19627580]

約数ペア:

[(1, 19627580), (2, 9813790), (4, 4906895), (5, 3925516), (7, 2803940), (10, 1962758), (14, 1401970), (20, 981379), (28, 700985), (35, 560788), (70, 280394), (140, 140197)]