18158973

素因数分解:

$3^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1009}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 27730560

約数和(自身を除く): 9571587

約数列:

[1, 3, 7, 21, 857, 1009, 2571, 3027, 5999, 7063, 17997, 21189, 864713, 2594139, 6052991, 18158973]

約数ペア:

[(1, 18158973), (3, 6052991), (7, 2594139), (21, 864713), (857, 21189), (1009, 17997), (2571, 7063), (3027, 5999)]