18682916

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:696

約数の個数: 36

約数和(自身を含む): 38304000

約数和(自身を除く): 19621084

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 479, 796, 958, 1393, 1916, 2786, 3353, 5572, 6706, 9751, 13412, 19502, 23471, 39004, 46942, 93884, 95321, 190642, 381284, 667247, 1334494, 2668988, 4670729, 9341458, 18682916]

約数ペア:

[(1, 18682916), (2, 9341458), (4, 4670729), (7, 2668988), (14, 1334494), (28, 667247), (49, 381284), (98, 190642), (196, 95321), (199, 93884), (398, 46942), (479, 39004), (796, 23471), (958, 19502), (1393, 13412), (1916, 9751), (2786, 6706), (3353, 5572)]