18819027

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 28853760

約数和(自身を除く): 10034733

約数列:

[1, 3, 9, 27, 67, 101, 103, 201, 303, 309, 603, 909, 927, 1809, 2727, 2781, 6767, 6901, 10403, 20301, 20703, 31209, 60903, 62109, 93627, 182709, 186327, 280881, 697001, 2091003, 6273009, 18819027]

約数ペア:

[(1, 18819027), (3, 6273009), (9, 2091003), (27, 697001), (67, 280881), (101, 186327), (103, 182709), (201, 93627), (303, 62109), (309, 60903), (603, 31209), (909, 20703), (927, 20301), (1809, 10403), (2727, 6901), (2781, 6767)]