19502240

素因数分解:

$2^5\times 5^1\times {\mathrm{121889}}^1$

素因数の和:121904

約数の個数: 24

約数和(自身を含む): 46074420

約数和(自身を除く): 26572180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121889, 243778, 487556, 609445, 975112, 1218890, 1950224, 2437780, 3900448, 4875560, 9751120, 19502240]

約数ペア:

[(1, 19502240), (2, 9751120), (4, 4875560), (5, 3900448), (8, 2437780), (10, 1950224), (16, 1218890), (20, 975112), (32, 609445), (40, 487556), (80, 243778), (160, 121889)]