19270321

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 22870144

約数和(自身を除く): 3599823

約数列:

[1, 7, 43, 73, 301, 511, 877, 3139, 6139, 21973, 37711, 64021, 263977, 448147, 2752903, 19270321]

約数ペア:

[(1, 19270321), (7, 2752903), (43, 448147), (73, 263977), (301, 64021), (511, 37711), (877, 21973), (3139, 6139)]