19915696782

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{325133}}^1$

素因数の和:325265

約数の個数: 48

約数和(自身を含む): 44735837328

約数和(自身を除く): 24820140546

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 83, 123, 166, 246, 249, 369, 498, 738, 747, 1494, 3403, 6806, 10209, 20418, 30627, 61254, 325133, 650266, 975399, 1950798, 2926197, 5852394, 13330453, 26660906, 26986039, 39991359, 53972078, 79982718, 80958117, 119974077, 161916234, 239948154, 242874351, 485748702, 1106427599, 2212855198, 3319282797, 6638565594, 9957848391, 19915696782]

約数ペア:

[(1, 19915696782), (2, 9957848391), (3, 6638565594), (6, 3319282797), (9, 2212855198), (18, 1106427599), (41, 485748702), (82, 242874351), (83, 239948154), (123, 161916234), (166, 119974077), (246, 80958117), (249, 79982718), (369, 53972078), (498, 39991359), (738, 26986039), (747, 26660906), (1494, 13330453), (3403, 5852394), (6806, 2926197), (10209, 1950798), (20418, 975399), (30627, 650266), (61254, 325133)]