18597943

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 23424000

約数和(自身を除く): 4826057

約数列:

[1, 7, 13, 79, 91, 169, 199, 553, 1027, 1183, 1393, 2587, 7189, 13351, 15721, 18109, 33631, 93457, 110047, 204373, 235417, 1430611, 2656849, 18597943]

約数ペア:

[(1, 18597943), (7, 2656849), (13, 1430611), (79, 235417), (91, 204373), (169, 110047), (199, 93457), (553, 33631), (1027, 18109), (1183, 15721), (1393, 13351), (2587, 7189)]