19947408964

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1\times {\mathrm{7351}}^1$

素因数の和:8048

約数の個数: 48

約数和(自身を含む): 40183091200

約数和(自身を除く): 20235682236

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 487, 796, 974, 1393, 1948, 2786, 3409, 5572, 6818, 7351, 13636, 14702, 29404, 51457, 96913, 102914, 193826, 205828, 387652, 678391, 1356782, 1462849, 2713564, 2925698, 3579937, 5851396, 7159874, 10239943, 14319748, 20479886, 25059559, 40959772, 50119118, 100238236, 712407463, 1424814926, 2849629852, 4986852241, 9973704482, 19947408964]

約数ペア:

[(1, 19947408964), (2, 9973704482), (4, 4986852241), (7, 2849629852), (14, 1424814926), (28, 712407463), (199, 100238236), (398, 50119118), (487, 40959772), (796, 25059559), (974, 20479886), (1393, 14319748), (1948, 10239943), (2786, 7159874), (3409, 5851396), (5572, 3579937), (6818, 2925698), (7351, 2713564), (13636, 1462849), (14702, 1356782), (29404, 678391), (51457, 387652), (96913, 205828), (102914, 193826)]