18193119

素因数分解:

$3^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{1087}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 27783168

約数和(自身を除く): 9590049

約数列:

[1, 3, 7, 21, 797, 1087, 2391, 3261, 5579, 7609, 16737, 22827, 866339, 2599017, 6064373, 18193119]

約数ペア:

[(1, 18193119), (3, 6064373), (7, 2599017), (21, 866339), (797, 22827), (1087, 16737), (2391, 7609), (3261, 5579)]