19269520

素因数分解:

$2^4\times 5^1\times {\mathrm{240869}}^1$

素因数の和:240882

約数の個数: 20

約数和(自身を含む): 44801820

約数和(自身を除く): 25532300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240869, 481738, 963476, 1204345, 1926952, 2408690, 3853904, 4817380, 9634760, 19269520]

約数ペア:

[(1, 19269520), (2, 9634760), (4, 4817380), (5, 3853904), (8, 2408690), (10, 1926952), (16, 1204345), (20, 963476), (40, 481738), (80, 240869)]