18333783

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 30817248

約数和(自身を除く): 12483465

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 757, 897, 1053, 1863, 2271, 2691, 6813, 8073, 9841, 17411, 20439, 24219, 29523, 52233, 61317, 88569, 156699, 226343, 265707, 470097, 679029, 797121, 1410291, 2037087, 6111261, 18333783]

約数ペア:

[(1, 18333783), (3, 6111261), (9, 2037087), (13, 1410291), (23, 797121), (27, 679029), (39, 470097), (69, 265707), (81, 226343), (117, 156699), (207, 88569), (299, 61317), (351, 52233), (621, 29523), (757, 24219), (897, 20439), (1053, 17411), (1863, 9841), (2271, 8073), (2691, 6813)]