19741484384

素因数分解:

$2^5\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:869

約数の個数: 144

約数和(自身を含む): 42756093072

約数和(自身を除く): 23014608688

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 43, 46, 74, 86, 92, 148, 172, 184, 296, 344, 368, 529, 592, 688, 733, 736, 851, 989, 1058, 1184, 1376, 1466, 1591, 1702, 1978, 2116, 2932, 3182, 3404, 3956, 4232, 5864, 6364, 6808, 7912, 8464, 11728, 12728, 13616, 15824, 16859, 16928, 19573, 22747, 23456, 25456, 27121, 27232, 31519, 31648, 33718, 36593, 39146, 45494, 50912, 54242, 63038, 67436, 73186, 78292, 90988, 108484, 126076, 134872, 146372, 156584, 181976, 216968, 252152, 269744, 292744, 313168, 363952, 387757, 433936, 504304, 539488, 585488, 623783, 626336, 724937, 727904, 775514, 841639, 867872, 1008608, 1166203, 1170976, 1247566, 1449874, 1551028, 1683278, 2332406, 2495132, 2899748, 3102056, 3366556, 4664812, 4990264, 5799496, 6204112, 6733112, 9329624, 9980528, 11598992, 12408224, 13466224, 14347009, 16673551, 18659248, 19961056, 23197984, 26822669, 26932448, 28694018, 33347102, 37318496, 53645338, 57388036, 66694204, 107290676, 114776072, 133388408, 214581352, 229552144, 266776816, 429162704, 459104288, 533553632, 616921387, 858325408, 1233842774, 2467685548, 4935371096, 9870742192, 19741484384]

約数ペア:

[(1, 19741484384), (2, 9870742192), (4, 4935371096), (8, 2467685548), (16, 1233842774), (23, 858325408), (32, 616921387), (37, 533553632), (43, 459104288), (46, 429162704), (74, 266776816), (86, 229552144), (92, 214581352), (148, 133388408), (172, 114776072), (184, 107290676), (296, 66694204), (344, 57388036), (368, 53645338), (529, 37318496), (592, 33347102), (688, 28694018), (733, 26932448), (736, 26822669), (851, 23197984), (989, 19961056), (1058, 18659248), (1184, 16673551), (1376, 14347009), (1466, 13466224), (1591, 12408224), (1702, 11598992), (1978, 9980528), (2116, 9329624), (2932, 6733112), (3182, 6204112), (3404, 5799496), (3956, 4990264), (4232, 4664812), (5864, 3366556), (6364, 3102056), (6808, 2899748), (7912, 2495132), (8464, 2332406), (11728, 1683278), (12728, 1551028), (13616, 1449874), (15824, 1247566), (16859, 1170976), (16928, 1166203), (19573, 1008608), (22747, 867872), (23456, 841639), (25456, 775514), (27121, 727904), (27232, 724937), (31519, 626336), (31648, 623783), (33718, 585488), (36593, 539488), (39146, 504304), (45494, 433936), (50912, 387757), (54242, 363952), (63038, 313168), (67436, 292744), (73186, 269744), (78292, 252152), (90988, 216968), (108484, 181976), (126076, 156584), (134872, 146372)]