18814077

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{29443}}^1$

素因数の和:29520

約数の個数: 12

約数和(自身を含む): 27559584

約数和(自身を除く): 8745507

約数列:

[1, 3, 9, 71, 213, 639, 29443, 88329, 264987, 2090453, 6271359, 18814077]

約数ペア:

[(1, 18814077), (3, 6271359), (9, 2090453), (71, 264987), (213, 88329), (639, 29443)]