19080440

素因数分解:

$2^3\times 5^1\times {\mathrm{477011}}^1$

素因数の和:477022

約数の個数: 16

約数和(自身を含む): 42931080

約数和(自身を除く): 23850640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 477011, 954022, 1908044, 2385055, 3816088, 4770110, 9540220, 19080440]

約数ペア:

[(1, 19080440), (2, 9540220), (4, 4770110), (5, 3816088), (8, 2385055), (10, 1908044), (20, 954022), (40, 477011)]