18804395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1511}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 5145685

約数列:

[1, 5, 19, 95, 131, 655, 1511, 2489, 7555, 12445, 28709, 143545, 197941, 989705, 3760879, 18804395]

約数ペア:

[(1, 18804395), (5, 3760879), (19, 989705), (95, 197941), (131, 143545), (655, 28709), (1511, 12445), (2489, 7555)]