19502960

素因数分解:

$2^4\times 5^1\times {\mathrm{243787}}^1$

素因数の和:243800

約数の個数: 20

約数和(自身を含む): 45344568

約数和(自身を除く): 25841608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 243787, 487574, 975148, 1218935, 1950296, 2437870, 3900592, 4875740, 9751480, 19502960]

約数ペア:

[(1, 19502960), (2, 9751480), (4, 4875740), (5, 3900592), (8, 2437870), (10, 1950296), (16, 1218935), (20, 975148), (40, 487574), (80, 243787)]