18189197

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 1970803

約数列:

[1, 13, 79, 89, 199, 1027, 1157, 2587, 7031, 15721, 17711, 91403, 204373, 230243, 1399169, 18189197]

約数ペア:

[(1, 18189197), (13, 1399169), (79, 230243), (89, 204373), (199, 91403), (1027, 17711), (1157, 15721), (2587, 7031)]