18921001528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4201}}^1$

素因数の和:4389

約数の個数: 128

約数和(自身を含む): 43372707840

約数和(自身を除く): 24451706312

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 127, 143, 248, 254, 286, 341, 403, 508, 572, 682, 806, 1016, 1144, 1364, 1397, 1612, 1651, 2728, 2794, 3224, 3302, 3937, 4201, 4433, 5588, 6604, 7874, 8402, 8866, 11176, 13208, 15748, 16804, 17732, 18161, 31496, 33608, 35464, 36322, 43307, 46211, 51181, 54613, 72644, 86614, 92422, 102362, 109226, 130231, 145288, 173228, 184844, 204724, 218452, 260462, 346456, 369688, 409448, 436904, 520924, 533527, 562991, 600743, 1041848, 1067054, 1125982, 1201486, 1432541, 1693003, 2134108, 2251964, 2402972, 2865082, 3386006, 4268216, 4503928, 4805944, 5730164, 5868797, 6772012, 6935851, 11460328, 11737594, 13544024, 13871702, 16539337, 18623033, 23475188, 27743404, 33078674, 37246066, 46950376, 55486808, 66157348, 74492132, 76294361, 132314696, 148984264, 152588722, 181932707, 215011381, 305177444, 363865414, 430022762, 610354888, 727730828, 860045524, 1455461656, 1720091048, 2365125191, 4730250382, 9460500764, 18921001528]

約数ペア:

[(1, 18921001528), (2, 9460500764), (4, 4730250382), (8, 2365125191), (11, 1720091048), (13, 1455461656), (22, 860045524), (26, 727730828), (31, 610354888), (44, 430022762), (52, 363865414), (62, 305177444), (88, 215011381), (104, 181932707), (124, 152588722), (127, 148984264), (143, 132314696), (248, 76294361), (254, 74492132), (286, 66157348), (341, 55486808), (403, 46950376), (508, 37246066), (572, 33078674), (682, 27743404), (806, 23475188), (1016, 18623033), (1144, 16539337), (1364, 13871702), (1397, 13544024), (1612, 11737594), (1651, 11460328), (2728, 6935851), (2794, 6772012), (3224, 5868797), (3302, 5730164), (3937, 4805944), (4201, 4503928), (4433, 4268216), (5588, 3386006), (6604, 2865082), (7874, 2402972), (8402, 2251964), (8866, 2134108), (11176, 1693003), (13208, 1432541), (15748, 1201486), (16804, 1125982), (17732, 1067054), (18161, 1041848), (31496, 600743), (33608, 562991), (35464, 533527), (36322, 520924), (43307, 436904), (46211, 409448), (51181, 369688), (54613, 346456), (72644, 260462), (86614, 218452), (92422, 204724), (102362, 184844), (109226, 173228), (130231, 145288)]