20181722418

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{80831}}^1$

素因数の和:80960

約数の個数: 96

約数和(自身を含む): 51901903872

約数和(自身を除く): 31720181454

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 97, 99, 117, 143, 194, 198, 234, 286, 291, 429, 582, 858, 873, 1067, 1261, 1287, 1746, 2134, 2522, 2574, 3201, 3783, 6402, 7566, 9603, 11349, 13871, 19206, 22698, 27742, 41613, 80831, 83226, 124839, 161662, 242493, 249678, 484986, 727479, 889141, 1050803, 1454958, 1778282, 2101606, 2667423, 3152409, 5334846, 6304818, 7840607, 8002269, 9457227, 11558833, 15681214, 16004538, 18914454, 23117666, 23521821, 34676499, 47043642, 69352998, 70565463, 86246677, 101927891, 104029497, 141130926, 172493354, 203855782, 208058994, 258740031, 305783673, 517480062, 611567346, 776220093, 917351019, 1121206801, 1552440186, 1834702038, 2242413602, 3363620403, 6727240806, 10090861209, 20181722418]

約数ペア:

[(1, 20181722418), (2, 10090861209), (3, 6727240806), (6, 3363620403), (9, 2242413602), (11, 1834702038), (13, 1552440186), (18, 1121206801), (22, 917351019), (26, 776220093), (33, 611567346), (39, 517480062), (66, 305783673), (78, 258740031), (97, 208058994), (99, 203855782), (117, 172493354), (143, 141130926), (194, 104029497), (198, 101927891), (234, 86246677), (286, 70565463), (291, 69352998), (429, 47043642), (582, 34676499), (858, 23521821), (873, 23117666), (1067, 18914454), (1261, 16004538), (1287, 15681214), (1746, 11558833), (2134, 9457227), (2522, 8002269), (2574, 7840607), (3201, 6304818), (3783, 5334846), (6402, 3152409), (7566, 2667423), (9603, 2101606), (11349, 1778282), (13871, 1454958), (19206, 1050803), (22698, 889141), (27742, 727479), (41613, 484986), (80831, 249678), (83226, 242493), (124839, 161662)]