19482160

素因数分解:

$2^4\times 5^1\times {\mathrm{243527}}^1$

素因数の和:243540

約数の個数: 20

約数和(自身を含む): 45296208

約数和(自身を除く): 25814048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 243527, 487054, 974108, 1217635, 1948216, 2435270, 3896432, 4870540, 9741080, 19482160]

約数ペア:

[(1, 19482160), (2, 9741080), (4, 4870540), (5, 3896432), (8, 2435270), (10, 1948216), (16, 1217635), (20, 974108), (40, 487054), (80, 243527)]