18461217

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1987}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 26082560

約数和(自身を除く): 7621343

約数列:

[1, 3, 19, 57, 163, 489, 1987, 3097, 5961, 9291, 37753, 113259, 323881, 971643, 6153739, 18461217]

約数ペア:

[(1, 18461217), (3, 6153739), (19, 971643), (57, 323881), (163, 113259), (489, 37753), (1987, 9291), (3097, 5961)]