18039978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 42962400

約数和(自身を除く): 24922422

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 179, 198, 358, 509, 537, 1018, 1074, 1527, 1611, 1969, 3054, 3222, 3938, 4581, 5599, 5907, 9162, 11198, 11814, 16797, 17721, 33594, 35442, 50391, 91111, 100782, 182222, 273333, 546666, 819999, 1002221, 1639998, 2004442, 3006663, 6013326, 9019989, 18039978]

約数ペア:

[(1, 18039978), (2, 9019989), (3, 6013326), (6, 3006663), (9, 2004442), (11, 1639998), (18, 1002221), (22, 819999), (33, 546666), (66, 273333), (99, 182222), (179, 100782), (198, 91111), (358, 50391), (509, 35442), (537, 33594), (1018, 17721), (1074, 16797), (1527, 11814), (1611, 11198), (1969, 9162), (3054, 5907), (3222, 5599), (3938, 4581)]