19797768

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2099}}^1$

素因数の和:2242

約数の個数: 48

約数和(自身を含む): 54054000

約数和(自身を除く): 34256232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2099, 2358, 3144, 4198, 4716, 6297, 8396, 9432, 12594, 16792, 18891, 25188, 37782, 50376, 75564, 151128, 274969, 549938, 824907, 1099876, 1649814, 2199752, 2474721, 3299628, 4949442, 6599256, 9898884, 19797768]

約数ペア:

[(1, 19797768), (2, 9898884), (3, 6599256), (4, 4949442), (6, 3299628), (8, 2474721), (9, 2199752), (12, 1649814), (18, 1099876), (24, 824907), (36, 549938), (72, 274969), (131, 151128), (262, 75564), (393, 50376), (524, 37782), (786, 25188), (1048, 18891), (1179, 16792), (1572, 12594), (2099, 9432), (2358, 8396), (3144, 6297), (4198, 4716)]