19866774

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{77003}}^1$

素因数の和:77051

約数の個数: 16

約数和(自身を含む): 40658112

約数和(自身を除く): 20791338

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 77003, 154006, 231009, 462018, 3311129, 6622258, 9933387, 19866774]

約数ペア:

[(1, 19866774), (2, 9933387), (3, 6622258), (6, 3311129), (43, 462018), (86, 231009), (129, 154006), (258, 77003)]