18331947

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6229}}^1$

素因数の和:6347

約数の個数: 16

約数和(自身を含む): 27412000

約数和(自身を除く): 9080053

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6229, 18687, 56061, 168183, 678961, 2036883, 6110649, 18331947]

約数ペア:

[(1, 18331947), (3, 6110649), (9, 2036883), (27, 678961), (109, 168183), (327, 56061), (981, 18687), (2943, 6229)]