18932319

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 32384000

約数和(自身を除く): 13451681

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 919, 981, 2289, 2757, 2943, 6433, 6867, 8271, 19299, 20601, 24813, 57897, 100171, 173691, 300513, 701197, 901539, 2103591, 2704617, 6310773, 18932319]

約数ペア:

[(1, 18932319), (3, 6310773), (7, 2704617), (9, 2103591), (21, 901539), (27, 701197), (63, 300513), (109, 173691), (189, 100171), (327, 57897), (763, 24813), (919, 20601), (981, 19299), (2289, 8271), (2757, 6867), (2943, 6433)]