19988624

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6473}}^1$

素因数の和:6674

約数の個数: 20

約数和(自身を含む): 38934636

約数和(自身を除く): 18946012

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6473, 12946, 25892, 51784, 103568, 1249289, 2498578, 4997156, 9994312, 19988624]

約数ペア:

[(1, 19988624), (2, 9994312), (4, 4997156), (8, 2498578), (16, 1249289), (193, 103568), (386, 51784), (772, 25892), (1544, 12946), (3088, 6473)]