19187608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 22180712

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 71, 74, 83, 88, 142, 148, 166, 284, 296, 332, 407, 568, 664, 781, 814, 913, 1562, 1628, 1826, 2627, 3071, 3124, 3256, 3652, 5254, 5893, 6142, 6248, 7304, 10508, 11786, 12284, 21016, 23572, 24568, 28897, 33781, 47144, 57794, 64823, 67562, 115588, 129646, 135124, 218041, 231176, 259292, 270248, 436082, 518584, 872164, 1744328, 2398451, 4796902, 9593804, 19187608]

約数ペア:

[(1, 19187608), (2, 9593804), (4, 4796902), (8, 2398451), (11, 1744328), (22, 872164), (37, 518584), (44, 436082), (71, 270248), (74, 259292), (83, 231176), (88, 218041), (142, 135124), (148, 129646), (166, 115588), (284, 67562), (296, 64823), (332, 57794), (407, 47144), (568, 33781), (664, 28897), (781, 24568), (814, 23572), (913, 21016), (1562, 12284), (1628, 11786), (1826, 10508), (2627, 7304), (3071, 6248), (3124, 6142), (3256, 5893), (3652, 5254)]