18797463

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 28753920

約数和(自身を除く): 9956457

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1279, 1633, 3837, 4899, 11511, 14697, 29417, 88251, 90809, 264753, 272427, 817281, 2088607, 6265821, 18797463]

約数ペア:

[(1, 18797463), (3, 6265821), (9, 2088607), (23, 817281), (69, 272427), (71, 264753), (207, 90809), (213, 88251), (639, 29417), (1279, 14697), (1633, 11511), (3837, 4899)]