19150420

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1999}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 40320000

約数和(自身を除く): 21169580

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 1999, 2395, 3998, 4790, 7996, 9580, 9995, 19990, 39980, 957521, 1915042, 3830084, 4787605, 9575210, 19150420]

約数ペア:

[(1, 19150420), (2, 9575210), (4, 4787605), (5, 3830084), (10, 1915042), (20, 957521), (479, 39980), (958, 19990), (1916, 9995), (1999, 9580), (2395, 7996), (3998, 4790)]