18291284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2089}}^1$

素因数の和:2303

約数の個数: 24

約数和(自身を含む): 35112000

約数和(自身を除く): 16820716

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2089, 2189, 4178, 4378, 8356, 8756, 22979, 45958, 91916, 415711, 831422, 1662844, 4572821, 9145642, 18291284]

約数ペア:

[(1, 18291284), (2, 9145642), (4, 4572821), (11, 1662844), (22, 831422), (44, 415711), (199, 91916), (398, 45958), (796, 22979), (2089, 8756), (2189, 8356), (4178, 4378)]