19734560

素因数分解:

$2^5\times 5^1\times {\mathrm{123341}}^1$

素因数の和:123356

約数の個数: 24

約数和(自身を含む): 46623276

約数和(自身を除く): 26888716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123341, 246682, 493364, 616705, 986728, 1233410, 1973456, 2466820, 3946912, 4933640, 9867280, 19734560]

約数ペア:

[(1, 19734560), (2, 9867280), (4, 4933640), (5, 3946912), (8, 2466820), (10, 1973456), (16, 1233410), (20, 986728), (32, 616705), (40, 493364), (80, 246682), (160, 123341)]