19512816664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{33941}}^1$

素因数の和:34144

約数の個数: 64

約数和(自身を含む): 41056243200

約数和(自身を除く): 21543426536

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 139, 188, 278, 376, 517, 556, 1034, 1112, 1529, 2068, 3058, 4136, 6116, 6533, 12232, 13066, 26132, 33941, 52264, 67882, 71863, 135764, 143726, 271528, 287452, 373351, 574904, 746702, 1493404, 1595227, 2986808, 3190454, 4717799, 6380908, 9435598, 12761816, 17547497, 18871196, 35094994, 37742392, 51895789, 70189988, 103791578, 140379976, 207583156, 221736553, 415166312, 443473106, 886946212, 1773892424, 2439102083, 4878204166, 9756408332, 19512816664]

約数ペア:

[(1, 19512816664), (2, 9756408332), (4, 4878204166), (8, 2439102083), (11, 1773892424), (22, 886946212), (44, 443473106), (47, 415166312), (88, 221736553), (94, 207583156), (139, 140379976), (188, 103791578), (278, 70189988), (376, 51895789), (517, 37742392), (556, 35094994), (1034, 18871196), (1112, 17547497), (1529, 12761816), (2068, 9435598), (3058, 6380908), (4136, 4717799), (6116, 3190454), (6533, 2986808), (12232, 1595227), (13066, 1493404), (26132, 746702), (33941, 574904), (52264, 373351), (67882, 287452), (71863, 271528), (135764, 143726)]