19990415616

素因数分解:

$2^8\times 3^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{523}}^1$

素因数の和:1016

約数の個数: 144

約数和(自身を含む): 53814137664

約数和(自身を除く): 33823722048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 157, 192, 256, 314, 317, 384, 471, 523, 628, 634, 768, 942, 951, 1046, 1256, 1268, 1569, 1884, 1902, 2092, 2512, 2536, 3138, 3768, 3804, 4184, 5024, 5072, 6276, 7536, 7608, 8368, 10048, 10144, 12552, 15072, 15216, 16736, 20096, 20288, 25104, 30144, 30432, 33472, 40192, 40576, 49769, 50208, 60288, 60864, 66944, 81152, 82111, 99538, 100416, 120576, 121728, 133888, 149307, 164222, 165791, 199076, 200832, 243456, 246333, 298614, 328444, 331582, 398152, 401664, 492666, 497373, 597228, 656888, 663164, 796304, 985332, 994746, 1194456, 1313776, 1326328, 1592608, 1970664, 1989492, 2388912, 2627552, 2652656, 3185216, 3941328, 3978984, 4777824, 5255104, 5305312, 6370432, 7882656, 7957968, 9555648, 10510208, 10610624, 12740864, 15765312, 15915936, 19111296, 21020416, 21221248, 26029187, 31530624, 31831872, 38222592, 42442496, 52058374, 63061248, 63663744, 78087561, 104116748, 127327488, 156175122, 208233496, 312350244, 416466992, 624700488, 832933984, 1249400976, 1665867968, 2498801952, 3331735936, 4997603904, 6663471872, 9995207808, 19990415616]

約数ペア:

[(1, 19990415616), (2, 9995207808), (3, 6663471872), (4, 4997603904), (6, 3331735936), (8, 2498801952), (12, 1665867968), (16, 1249400976), (24, 832933984), (32, 624700488), (48, 416466992), (64, 312350244), (96, 208233496), (128, 156175122), (157, 127327488), (192, 104116748), (256, 78087561), (314, 63663744), (317, 63061248), (384, 52058374), (471, 42442496), (523, 38222592), (628, 31831872), (634, 31530624), (768, 26029187), (942, 21221248), (951, 21020416), (1046, 19111296), (1256, 15915936), (1268, 15765312), (1569, 12740864), (1884, 10610624), (1902, 10510208), (2092, 9555648), (2512, 7957968), (2536, 7882656), (3138, 6370432), (3768, 5305312), (3804, 5255104), (4184, 4777824), (5024, 3978984), (5072, 3941328), (6276, 3185216), (7536, 2652656), (7608, 2627552), (8368, 2388912), (10048, 1989492), (10144, 1970664), (12552, 1592608), (15072, 1326328), (15216, 1313776), (16736, 1194456), (20096, 994746), (20288, 985332), (25104, 796304), (30144, 663164), (30432, 656888), (33472, 597228), (40192, 497373), (40576, 492666), (49769, 401664), (50208, 398152), (60288, 331582), (60864, 328444), (66944, 298614), (81152, 246333), (82111, 243456), (99538, 200832), (100416, 199076), (120576, 165791), (121728, 164222), (133888, 149307)]