19728856

素因数分解:

$2^3\times 7^1\times {\mathrm{352301}}^1$

素因数の和:352314

約数の個数: 16

約数和(自身を含む): 42276240

約数和(自身を除く): 22547384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 352301, 704602, 1409204, 2466107, 2818408, 4932214, 9864428, 19728856]

約数ペア:

[(1, 19728856), (2, 9864428), (4, 4932214), (7, 2818408), (8, 2466107), (14, 1409204), (28, 704602), (56, 352301)]