18399227

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5557}}^1$

素因数の和:5618

約数の個数: 16

約数和(自身を含む): 23476992

約数和(自身を除く): 5077765

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 5557, 38899, 61127, 238951, 427889, 1672657, 2628461, 18399227]

約数ペア:

[(1, 18399227), (7, 2628461), (11, 1672657), (43, 427889), (77, 238951), (301, 61127), (473, 38899), (3311, 5557)]