20194178193

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{7757}}^1$

素因数の和:7875

約数の個数: 72

約数和(自身を含む): 35252103744

約数和(自身を除く): 15057925551

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 279, 301, 387, 651, 903, 961, 1333, 1953, 2709, 2883, 3999, 6727, 7757, 8649, 9331, 11997, 20181, 23271, 27993, 41323, 54299, 60543, 69813, 83979, 123969, 162897, 240467, 289261, 333551, 371907, 488691, 721401, 867783, 1000653, 1683269, 2164203, 2334857, 2603349, 3001959, 5049807, 7004571, 7454477, 10340081, 15149421, 21013713, 22363431, 31020243, 52181339, 67090293, 72380567, 93060729, 156544017, 217141701, 320542511, 469632051, 651425103, 961627533, 2243797577, 2884882599, 6731392731, 20194178193]

約数ペア:

[(1, 20194178193), (3, 6731392731), (7, 2884882599), (9, 2243797577), (21, 961627533), (31, 651425103), (43, 469632051), (63, 320542511), (93, 217141701), (129, 156544017), (217, 93060729), (279, 72380567), (301, 67090293), (387, 52181339), (651, 31020243), (903, 22363431), (961, 21013713), (1333, 15149421), (1953, 10340081), (2709, 7454477), (2883, 7004571), (3999, 5049807), (6727, 3001959), (7757, 2603349), (8649, 2334857), (9331, 2164203), (11997, 1683269), (20181, 1000653), (23271, 867783), (27993, 721401), (41323, 488691), (54299, 371907), (60543, 333551), (69813, 289261), (83979, 240467), (123969, 162897)]