18665157

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{18911}}^1$

素因数の和:18968

約数の個数: 16

約数和(自身を含む): 29048832

約数和(自身を除く): 10383675

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 18911, 56733, 132377, 397131, 888817, 2666451, 6221719, 18665157]

約数ペア:

[(1, 18665157), (3, 6221719), (7, 2666451), (21, 888817), (47, 397131), (141, 132377), (329, 56733), (987, 18911)]