19192016

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17903}}^1$

素因数の和:17978

約数の個数: 20

約数和(自身を含む): 37741632

約数和(自身を除く): 18549616

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17903, 35806, 71612, 143224, 286448, 1199501, 2399002, 4798004, 9596008, 19192016]

約数ペア:

[(1, 19192016), (2, 9596008), (4, 4798004), (8, 2399002), (16, 1199501), (67, 286448), (134, 143224), (268, 71612), (536, 35806), (1072, 17903)]