18121885

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 22271040

約数和(自身を除く): 4149155

約数列:

[1, 5, 73, 131, 365, 379, 655, 1895, 9563, 27667, 47815, 49649, 138335, 248245, 3624377, 18121885]

約数ペア:

[(1, 18121885), (5, 3624377), (73, 248245), (131, 138335), (365, 49649), (379, 47815), (655, 27667), (1895, 9563)]