2019908181

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{256301}}^1$

素因数の和:256412

約数の個数: 16

約数和(自身を含む): 2804969088

約数和(自身を除く): 785060907

約数列:

[1, 3, 37, 71, 111, 213, 2627, 7881, 256301, 768903, 9483137, 18197371, 28449411, 54592113, 673302727, 2019908181]

約数ペア:

[(1, 2019908181), (3, 673302727), (37, 54592113), (71, 28449411), (111, 18197371), (213, 9483137), (2627, 768903), (7881, 256301)]