20180814346

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{839}}^1$

素因数の和:1340

約数の個数: 96

約数和(自身を含む): 39279219840

約数和(自身を除く): 19098405494

約数列:

[1, 2, 7, 11, 14, 22, 49, 53, 77, 98, 106, 154, 371, 421, 539, 583, 742, 839, 842, 1078, 1166, 1678, 2597, 2947, 4081, 4631, 5194, 5873, 5894, 8162, 9229, 9262, 11746, 18458, 20629, 22313, 28567, 32417, 41111, 41258, 44467, 44626, 57134, 64603, 64834, 82222, 88934, 129206, 156191, 226919, 245443, 311269, 312382, 353219, 452221, 453838, 489137, 490886, 622538, 706438, 904442, 978274, 1093337, 1718101, 2178883, 2186674, 2472533, 3423959, 3436202, 3885409, 4357766, 4945066, 6847918, 7770818, 12026707, 17307731, 18720607, 23967713, 24053414, 27197863, 34615462, 37441214, 47935426, 54395726, 131044249, 190385041, 205926677, 262088498, 380770082, 411853354, 917309743, 1441486739, 1834619486, 2882973478, 10090407173, 20180814346]

約数ペア:

[(1, 20180814346), (2, 10090407173), (7, 2882973478), (11, 1834619486), (14, 1441486739), (22, 917309743), (49, 411853354), (53, 380770082), (77, 262088498), (98, 205926677), (106, 190385041), (154, 131044249), (371, 54395726), (421, 47935426), (539, 37441214), (583, 34615462), (742, 27197863), (839, 24053414), (842, 23967713), (1078, 18720607), (1166, 17307731), (1678, 12026707), (2597, 7770818), (2947, 6847918), (4081, 4945066), (4631, 4357766), (5194, 3885409), (5873, 3436202), (5894, 3423959), (8162, 2472533), (9229, 2186674), (9262, 2178883), (11746, 1718101), (18458, 1093337), (20629, 978274), (22313, 904442), (28567, 706438), (32417, 622538), (41111, 490886), (41258, 489137), (44467, 453838), (44626, 452221), (57134, 353219), (64603, 312382), (64834, 311269), (82222, 245443), (88934, 226919), (129206, 156191)]