19868706

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 54190080

約数和(自身を除く): 34321374

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 31, 33, 39, 54, 62, 66, 78, 83, 93, 99, 117, 143, 166, 186, 198, 234, 249, 279, 286, 297, 341, 351, 403, 429, 498, 558, 594, 682, 702, 747, 806, 837, 858, 913, 1023, 1079, 1209, 1287, 1494, 1674, 1826, 2046, 2158, 2241, 2418, 2573, 2574, 2739, 3069, 3237, 3627, 3861, 4433, 4482, 5146, 5478, 6138, 6474, 7254, 7719, 7722, 8217, 8866, 9207, 9711, 10881, 11869, 13299, 15438, 16434, 18414, 19422, 21762, 23157, 23738, 24651, 26598, 28303, 29133, 33449, 35607, 39897, 46314, 49302, 56606, 58266, 66898, 69471, 71214, 79794, 84909, 100347, 106821, 119691, 138942, 169818, 200694, 213642, 239382, 254727, 301041, 320463, 367939, 509454, 602082, 640926, 735878, 764181, 903123, 1103817, 1528362, 1806246, 2207634, 3311451, 6622902, 9934353, 19868706]

約数ペア:

[(1, 19868706), (2, 9934353), (3, 6622902), (6, 3311451), (9, 2207634), (11, 1806246), (13, 1528362), (18, 1103817), (22, 903123), (26, 764181), (27, 735878), (31, 640926), (33, 602082), (39, 509454), (54, 367939), (62, 320463), (66, 301041), (78, 254727), (83, 239382), (93, 213642), (99, 200694), (117, 169818), (143, 138942), (166, 119691), (186, 106821), (198, 100347), (234, 84909), (249, 79794), (279, 71214), (286, 69471), (297, 66898), (341, 58266), (351, 56606), (403, 49302), (429, 46314), (498, 39897), (558, 35607), (594, 33449), (682, 29133), (702, 28303), (747, 26598), (806, 24651), (837, 23738), (858, 23157), (913, 21762), (1023, 19422), (1079, 18414), (1209, 16434), (1287, 15438), (1494, 13299), (1674, 11869), (1826, 10881), (2046, 9711), (2158, 9207), (2241, 8866), (2418, 8217), (2573, 7722), (2574, 7719), (2739, 7254), (3069, 6474), (3237, 6138), (3627, 5478), (3861, 5146), (4433, 4482)]