19760005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 24615360

約数和(自身を除く): 4855355

約数列:

[1, 5, 43, 73, 215, 365, 1259, 3139, 6295, 15695, 54137, 91907, 270685, 459535, 3952001, 19760005]

約数ペア:

[(1, 19760005), (5, 3952001), (43, 459535), (73, 270685), (215, 91907), (365, 54137), (1259, 15695), (3139, 6295)]