18800718

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{72871}}^1$

素因数の和:72919

約数の個数: 16

約数和(自身を含む): 38476416

約数和(自身を除く): 19675698

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 72871, 145742, 218613, 437226, 3133453, 6266906, 9400359, 18800718]

約数ペア:

[(1, 18800718), (2, 9400359), (3, 6266906), (6, 3133453), (43, 437226), (86, 218613), (129, 145742), (258, 72871)]