18339777

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1150

約数の個数: 20

約数和(自身を含む): 27534276

約数和(自身を除く): 9194499

約数列:

[1, 3, 9, 27, 81, 257, 771, 881, 2313, 2643, 6939, 7929, 20817, 23787, 71361, 226417, 679251, 2037753, 6113259, 18339777]

約数ペア:

[(1, 18339777), (3, 6113259), (9, 2037753), (27, 679251), (81, 226417), (257, 71361), (771, 23787), (881, 20817), (2313, 7929), (2643, 6939)]