18997339648

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1049}}^1$

素因数の和:1268

約数の個数: 160

約数和(自身を含む): 45097113600

約数和(自身を除く): 26099773952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 163, 217, 224, 248, 256, 326, 434, 448, 496, 512, 652, 868, 896, 992, 1049, 1141, 1304, 1736, 1792, 1984, 2098, 2282, 2608, 3472, 3584, 3968, 4196, 4564, 5053, 5216, 6944, 7343, 7936, 8392, 9128, 10106, 10432, 13888, 14686, 15872, 16784, 18256, 20212, 20864, 27776, 29372, 32519, 33568, 35371, 36512, 40424, 41728, 55552, 58744, 65038, 67136, 70742, 73024, 80848, 83456, 111104, 117488, 130076, 134272, 141484, 146048, 161696, 170987, 227633, 234976, 260152, 268544, 282968, 292096, 323392, 341974, 455266, 469952, 520304, 537088, 565936, 584192, 646784, 683948, 910532, 939904, 1040608, 1131872, 1196909, 1293568, 1367896, 1821064, 1879808, 2081216, 2263744, 2393818, 2587136, 2735792, 3642128, 3759616, 4162432, 4527488, 4787636, 5300597, 5471584, 7284256, 8324864, 9054976, 9575272, 10601194, 10943168, 14568512, 16649728, 18109952, 19150544, 21202388, 21886336, 29137024, 37104179, 38301088, 42404776, 43772672, 58274048, 74208358, 76602176, 84809552, 87545344, 116548096, 148416716, 153204352, 169619104, 296833432, 306408704, 339238208, 593666864, 612817408, 678476416, 1187333728, 1356952832, 2374667456, 2713905664, 4749334912, 9498669824, 18997339648]

約数ペア:

[(1, 18997339648), (2, 9498669824), (4, 4749334912), (7, 2713905664), (8, 2374667456), (14, 1356952832), (16, 1187333728), (28, 678476416), (31, 612817408), (32, 593666864), (56, 339238208), (62, 306408704), (64, 296833432), (112, 169619104), (124, 153204352), (128, 148416716), (163, 116548096), (217, 87545344), (224, 84809552), (248, 76602176), (256, 74208358), (326, 58274048), (434, 43772672), (448, 42404776), (496, 38301088), (512, 37104179), (652, 29137024), (868, 21886336), (896, 21202388), (992, 19150544), (1049, 18109952), (1141, 16649728), (1304, 14568512), (1736, 10943168), (1792, 10601194), (1984, 9575272), (2098, 9054976), (2282, 8324864), (2608, 7284256), (3472, 5471584), (3584, 5300597), (3968, 4787636), (4196, 4527488), (4564, 4162432), (5053, 3759616), (5216, 3642128), (6944, 2735792), (7343, 2587136), (7936, 2393818), (8392, 2263744), (9128, 2081216), (10106, 1879808), (10432, 1821064), (13888, 1367896), (14686, 1293568), (15872, 1196909), (16784, 1131872), (18256, 1040608), (20212, 939904), (20864, 910532), (27776, 683948), (29372, 646784), (32519, 584192), (33568, 565936), (35371, 537088), (36512, 520304), (40424, 469952), (41728, 455266), (55552, 341974), (58744, 323392), (65038, 292096), (67136, 282968), (70742, 268544), (73024, 260152), (80848, 234976), (83456, 227633), (111104, 170987), (117488, 161696), (130076, 146048), (134272, 141484)]