19904936

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{108179}}^1$

素因数の和:108208

約数の個数: 16

約数和(自身を含む): 38944800

約数和(自身を除く): 19039864

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 108179, 216358, 432716, 865432, 2488117, 4976234, 9952468, 19904936]

約数ペア:

[(1, 19904936), (2, 9952468), (4, 4976234), (8, 2488117), (23, 865432), (46, 432716), (92, 216358), (184, 108179)]