19328080

素因数分解:

$2^4\times 5^1\times {\mathrm{241601}}^1$

素因数の和:241614

約数の個数: 20

約数和(自身を含む): 44937972

約数和(自身を除く): 25609892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241601, 483202, 966404, 1208005, 1932808, 2416010, 3865616, 4832020, 9664040, 19328080]

約数ペア:

[(1, 19328080), (2, 9664040), (4, 4832020), (5, 3865616), (8, 2416010), (10, 1932808), (16, 1208005), (20, 966404), (40, 483202), (80, 241601)]