18771243

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1669}}^1$

素因数の和:1858

約数の個数: 16

約数和(自身を含む): 26292480

約数和(自身を除く): 7521237

約数列:

[1, 3, 23, 69, 163, 489, 1669, 3749, 5007, 11247, 38387, 115161, 272047, 816141, 6257081, 18771243]

約数ペア:

[(1, 18771243), (3, 6257081), (23, 816141), (69, 272047), (163, 115161), (489, 38387), (1669, 11247), (3749, 5007)]