18689284

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 33566400

約数和(自身を除く): 14877116

約数列:

[1, 2, 4, 53, 106, 199, 212, 398, 443, 796, 886, 1772, 10547, 21094, 23479, 42188, 46958, 88157, 93916, 176314, 352628, 4672321, 9344642, 18689284]

約数ペア:

[(1, 18689284), (2, 9344642), (4, 4672321), (53, 352628), (106, 176314), (199, 93916), (212, 88157), (398, 46958), (443, 42188), (796, 23479), (886, 21094), (1772, 10547)]