18670729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5639}}^1$

素因数の和:5700

約数の個数: 16

約数和(自身を含む): 23823360

約数和(自身を除く): 5152631

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 5639, 39473, 62029, 242477, 434203, 1697339, 2667247, 18670729]

約数ペア:

[(1, 18670729), (7, 2667247), (11, 1697339), (43, 434203), (77, 242477), (301, 62029), (473, 39473), (3311, 5639)]