18284847

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20249}}^1$

素因数の和:20302

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 10227153

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 20249, 60747, 141743, 425229, 870707, 2612121, 6094949, 18284847]

約数ペア:

[(1, 18284847), (3, 6094949), (7, 2612121), (21, 870707), (43, 425229), (129, 141743), (301, 60747), (903, 20249)]