18664107

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1879}}^1$

素因数の和:1943

約数の個数: 32

約数和(自身を含む): 31764480

約数和(自身を除く): 13100373

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 1879, 3311, 5637, 9933, 13153, 20669, 39459, 62007, 80797, 144683, 242391, 434049, 565579, 888767, 1696737, 2666301, 6221369, 18664107]

約数ペア:

[(1, 18664107), (3, 6221369), (7, 2666301), (11, 1696737), (21, 888767), (33, 565579), (43, 434049), (77, 242391), (129, 144683), (231, 80797), (301, 62007), (473, 39459), (903, 20669), (1419, 13153), (1879, 9933), (3311, 5637)]