18814131

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2791}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 31359744

約数和(自身を除く): 12545613

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2791, 6741, 8373, 19537, 25119, 58611, 175833, 298637, 895911, 2090459, 2687733, 6271377, 18814131]

約数ペア:

[(1, 18814131), (3, 6271377), (7, 2687733), (9, 2090459), (21, 895911), (63, 298637), (107, 175833), (321, 58611), (749, 25119), (963, 19537), (2247, 8373), (2791, 6741)]