19062009

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 29158272

約数和(自身を除く): 10096263

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1297, 1633, 3891, 4899, 11673, 14697, 29831, 89493, 92087, 268479, 276261, 828783, 2118001, 6354003, 19062009]

約数ペア:

[(1, 19062009), (3, 6354003), (9, 2118001), (23, 828783), (69, 276261), (71, 268479), (207, 92087), (213, 89493), (639, 29831), (1297, 14697), (1633, 11673), (3891, 4899)]