2019495742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 3491486208

約数和(自身を除く): 1471990466

約数列:

[1, 2, 11, 22, 37, 71, 74, 83, 142, 166, 407, 421, 781, 814, 842, 913, 1562, 1826, 2627, 3071, 4631, 5254, 5893, 6142, 9262, 11786, 15577, 28897, 29891, 31154, 33781, 34943, 57794, 59782, 64823, 67562, 69886, 129646, 171347, 218041, 328801, 342694, 384373, 436082, 657602, 768746, 1105967, 1292891, 2211934, 2398451, 2480953, 2585782, 4796902, 4961906, 12165637, 14221801, 24331274, 27290483, 28443602, 54580966, 91795261, 183590522, 1009747871, 2019495742]

約数ペア:

[(1, 2019495742), (2, 1009747871), (11, 183590522), (22, 91795261), (37, 54580966), (71, 28443602), (74, 27290483), (83, 24331274), (142, 14221801), (166, 12165637), (407, 4961906), (421, 4796902), (781, 2585782), (814, 2480953), (842, 2398451), (913, 2211934), (1562, 1292891), (1826, 1105967), (2627, 768746), (3071, 657602), (4631, 436082), (5254, 384373), (5893, 342694), (6142, 328801), (9262, 218041), (11786, 171347), (15577, 129646), (28897, 69886), (29891, 67562), (31154, 64823), (33781, 59782), (34943, 57794)]