18012813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{65981}}^1$

素因数の和:66004

約数の個数: 16

約数和(自身を含む): 29559936

約数和(自身を除く): 11547123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 65981, 197943, 461867, 857753, 1385601, 2573259, 6004271, 18012813]

約数ペア:

[(1, 18012813), (3, 6004271), (7, 2573259), (13, 1385601), (21, 857753), (39, 461867), (91, 197943), (273, 65981)]