18397351

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 21657600

約数和(自身を除く): 3260249

約数列:

[1, 7, 47, 199, 281, 329, 1393, 1967, 9353, 13207, 55919, 65471, 92449, 391433, 2628193, 18397351]

約数ペア:

[(1, 18397351), (7, 2628193), (47, 391433), (199, 92449), (281, 65471), (329, 55919), (1393, 13207), (1967, 9353)]