18708209

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 20928768

約数和(自身を除く): 2220559

約数列:

[1, 13, 47, 67, 457, 611, 871, 3149, 5941, 21479, 30619, 40937, 279227, 398047, 1439093, 18708209]

約数ペア:

[(1, 18708209), (13, 1439093), (47, 398047), (67, 279227), (457, 40937), (611, 30619), (871, 21479), (3149, 5941)]