20181756056

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2687}}^1$

素因数の和:2937

約数の個数: 128

約数和(自身を含む): 48074342400

約数和(自身を除く): 27892586344

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 89, 137, 154, 178, 274, 308, 356, 548, 616, 623, 712, 959, 979, 1096, 1246, 1507, 1918, 1958, 2492, 2687, 3014, 3836, 3916, 4984, 5374, 6028, 6853, 7672, 7832, 10549, 10748, 12056, 12193, 13706, 18809, 21098, 21496, 24386, 27412, 29557, 37618, 42196, 48772, 54824, 59114, 75236, 84392, 85351, 97544, 118228, 134123, 150472, 170702, 206899, 236456, 239143, 268246, 341404, 368119, 413798, 478286, 536492, 682808, 736238, 827596, 938861, 956572, 1072984, 1472476, 1655192, 1674001, 1877722, 1913144, 2576833, 2630573, 2944952, 3348002, 3755444, 4049309, 5153666, 5261146, 6696004, 7510888, 8098618, 10307332, 10522292, 13392008, 16197236, 18414011, 20614664, 21044584, 28345163, 32394472, 32762591, 36828022, 56690326, 65525182, 73656044, 113380652, 131050364, 147312088, 226761304, 229338137, 262100728, 360388501, 458676274, 720777002, 917352548, 1441554004, 1834705096, 2522719507, 2883108008, 5045439014, 10090878028, 20181756056]

約数ペア:

[(1, 20181756056), (2, 10090878028), (4, 5045439014), (7, 2883108008), (8, 2522719507), (11, 1834705096), (14, 1441554004), (22, 917352548), (28, 720777002), (44, 458676274), (56, 360388501), (77, 262100728), (88, 229338137), (89, 226761304), (137, 147312088), (154, 131050364), (178, 113380652), (274, 73656044), (308, 65525182), (356, 56690326), (548, 36828022), (616, 32762591), (623, 32394472), (712, 28345163), (959, 21044584), (979, 20614664), (1096, 18414011), (1246, 16197236), (1507, 13392008), (1918, 10522292), (1958, 10307332), (2492, 8098618), (2687, 7510888), (3014, 6696004), (3836, 5261146), (3916, 5153666), (4984, 4049309), (5374, 3755444), (6028, 3348002), (6853, 2944952), (7672, 2630573), (7832, 2576833), (10549, 1913144), (10748, 1877722), (12056, 1674001), (12193, 1655192), (13706, 1472476), (18809, 1072984), (21098, 956572), (21496, 938861), (24386, 827596), (27412, 736238), (29557, 682808), (37618, 536492), (42196, 478286), (48772, 413798), (54824, 368119), (59114, 341404), (75236, 268246), (84392, 239143), (85351, 236456), (97544, 206899), (118228, 170702), (134123, 150472)]