18708568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5981}}^1$

素因数の和:6027

約数の個数: 32

約数和(自身を含む): 38763360

約数和(自身を除く): 20054792

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 5981, 11962, 23924, 47848, 101677, 137563, 203354, 275126, 406708, 550252, 813416, 1100504, 2338571, 4677142, 9354284, 18708568]

約数ペア:

[(1, 18708568), (2, 9354284), (4, 4677142), (8, 2338571), (17, 1100504), (23, 813416), (34, 550252), (46, 406708), (68, 275126), (92, 203354), (136, 137563), (184, 101677), (391, 47848), (782, 23924), (1564, 11962), (3128, 5981)]