18564749824

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{44381}}^1$

素因数の和:44461

約数の個数: 80

約数和(自身を含む): 39954451680

約数和(自身を除く): 21389701856

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 256, 304, 344, 512, 608, 688, 817, 1216, 1376, 1634, 2432, 2752, 3268, 4864, 5504, 6536, 9728, 11008, 13072, 22016, 26144, 44381, 52288, 88762, 104576, 177524, 209152, 355048, 418304, 710096, 843239, 1420192, 1686478, 1908383, 2840384, 3372956, 3816766, 5680768, 6745912, 7633532, 11361536, 13491824, 15267064, 22723072, 26983648, 30534128, 36259277, 53967296, 61068256, 72518554, 107934592, 122136512, 145037108, 215869184, 244273024, 290074216, 431738368, 488546048, 580148432, 977092096, 1160296864, 2320593728, 4641187456, 9282374912, 18564749824]

約数ペア:

[(1, 18564749824), (2, 9282374912), (4, 4641187456), (8, 2320593728), (16, 1160296864), (19, 977092096), (32, 580148432), (38, 488546048), (43, 431738368), (64, 290074216), (76, 244273024), (86, 215869184), (128, 145037108), (152, 122136512), (172, 107934592), (256, 72518554), (304, 61068256), (344, 53967296), (512, 36259277), (608, 30534128), (688, 26983648), (817, 22723072), (1216, 15267064), (1376, 13491824), (1634, 11361536), (2432, 7633532), (2752, 6745912), (3268, 5680768), (4864, 3816766), (5504, 3372956), (6536, 2840384), (9728, 1908383), (11008, 1686478), (13072, 1420192), (22016, 843239), (26144, 710096), (44381, 418304), (52288, 355048), (88762, 209152), (104576, 177524)]