19911790712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1\times {\mathrm{5261}}^1$

素因数の和:6368

約数の個数: 64

約数和(自身を含む): 41769756000

約数和(自身を除く): 21857965288

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1049, 1804, 2098, 3608, 4196, 5261, 8392, 10522, 11539, 21044, 23078, 42088, 43009, 46156, 57871, 86018, 92312, 115742, 172036, 215701, 231484, 344072, 431402, 462968, 473099, 862804, 946198, 1725608, 1892396, 2372711, 3784792, 4745422, 5518789, 9490844, 11037578, 18981688, 22075156, 44150312, 60706679, 121413358, 226270349, 242826716, 452540698, 485653432, 905081396, 1810162792, 2488973839, 4977947678, 9955895356, 19911790712]

約数ペア:

[(1, 19911790712), (2, 9955895356), (4, 4977947678), (8, 2488973839), (11, 1810162792), (22, 905081396), (41, 485653432), (44, 452540698), (82, 242826716), (88, 226270349), (164, 121413358), (328, 60706679), (451, 44150312), (902, 22075156), (1049, 18981688), (1804, 11037578), (2098, 9490844), (3608, 5518789), (4196, 4745422), (5261, 3784792), (8392, 2372711), (10522, 1892396), (11539, 1725608), (21044, 946198), (23078, 862804), (42088, 473099), (43009, 462968), (46156, 431402), (57871, 344072), (86018, 231484), (92312, 215701), (115742, 172036)]