19580008

素因数分解:

$2^3\times 7^2\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 43092000

約数和(自身を除く): 23511992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 199, 251, 392, 398, 502, 796, 1004, 1393, 1592, 1757, 2008, 2786, 3514, 5572, 7028, 9751, 11144, 12299, 14056, 19502, 24598, 39004, 49196, 49949, 78008, 98392, 99898, 199796, 349643, 399592, 699286, 1398572, 2447501, 2797144, 4895002, 9790004, 19580008]

約数ペア:

[(1, 19580008), (2, 9790004), (4, 4895002), (7, 2797144), (8, 2447501), (14, 1398572), (28, 699286), (49, 399592), (56, 349643), (98, 199796), (196, 99898), (199, 98392), (251, 78008), (392, 49949), (398, 49196), (502, 39004), (796, 24598), (1004, 19502), (1393, 14056), (1592, 12299), (1757, 11144), (2008, 9751), (2786, 7028), (3514, 5572)]