19624880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 51559200

約数和(自身を除く): 31934320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 769, 880, 1160, 1276, 1538, 1595, 2320, 2552, 3076, 3190, 3845, 5104, 6152, 6380, 7690, 8459, 12304, 12760, 15380, 16918, 22301, 25520, 30760, 33836, 42295, 44602, 61520, 67672, 84590, 89204, 111505, 135344, 169180, 178408, 223010, 245311, 338360, 356816, 446020, 490622, 676720, 892040, 981244, 1226555, 1784080, 1962488, 2453110, 3924976, 4906220, 9812440, 19624880]

約数ペア:

[(1, 19624880), (2, 9812440), (4, 4906220), (5, 3924976), (8, 2453110), (10, 1962488), (11, 1784080), (16, 1226555), (20, 981244), (22, 892040), (29, 676720), (40, 490622), (44, 446020), (55, 356816), (58, 338360), (80, 245311), (88, 223010), (110, 178408), (116, 169180), (145, 135344), (176, 111505), (220, 89204), (232, 84590), (290, 67672), (319, 61520), (440, 44602), (464, 42295), (580, 33836), (638, 30760), (769, 25520), (880, 22301), (1160, 16918), (1276, 15380), (1538, 12760), (1595, 12304), (2320, 8459), (2552, 7690), (3076, 6380), (3190, 6152), (3845, 5104)]