18663666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3499}}^1$

素因数の和:3638

約数の個数: 32

約数和(自身を含む): 43008000

約数和(自身を除く): 24344334

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3499, 5334, 6998, 10497, 20994, 24493, 48986, 73479, 146958, 444373, 888746, 1333119, 2666238, 3110611, 6221222, 9331833, 18663666]

約数ペア:

[(1, 18663666), (2, 9331833), (3, 6221222), (6, 3110611), (7, 2666238), (14, 1333119), (21, 888746), (42, 444373), (127, 146958), (254, 73479), (381, 48986), (762, 24493), (889, 20994), (1778, 10497), (2667, 6998), (3499, 5334)]