18041991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6143}}^1$

素因数の和:6246

約数の個数: 16

約数和(自身を含む): 26542080

約数和(自身を除く): 8500089

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6143, 18429, 67573, 202719, 546727, 1640181, 6013997, 18041991]

約数ペア:

[(1, 18041991), (3, 6013997), (11, 1640181), (33, 546727), (89, 202719), (267, 67573), (979, 18429), (2937, 6143)]