19191040

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 52980480

約数和(自身を除く): 33789440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 47, 55, 58, 64, 80, 88, 94, 110, 116, 128, 145, 160, 176, 188, 220, 232, 235, 256, 290, 319, 320, 352, 376, 440, 464, 470, 517, 580, 638, 640, 704, 752, 880, 928, 940, 1034, 1160, 1276, 1280, 1363, 1408, 1504, 1595, 1760, 1856, 1880, 2068, 2320, 2552, 2585, 2726, 2816, 3008, 3190, 3520, 3712, 3760, 4136, 4640, 5104, 5170, 5452, 6016, 6380, 6815, 7040, 7424, 7520, 8272, 9280, 10208, 10340, 10904, 12032, 12760, 13630, 14080, 14993, 15040, 16544, 18560, 20416, 20680, 21808, 25520, 27260, 29986, 30080, 33088, 37120, 40832, 41360, 43616, 51040, 54520, 59972, 60160, 66176, 74965, 81664, 82720, 87232, 102080, 109040, 119944, 132352, 149930, 165440, 174464, 204160, 218080, 239888, 299860, 330880, 348928, 408320, 436160, 479776, 599720, 661760, 872320, 959552, 1199440, 1744640, 1919104, 2398880, 3838208, 4797760, 9595520, 19191040]

約数ペア:

[(1, 19191040), (2, 9595520), (4, 4797760), (5, 3838208), (8, 2398880), (10, 1919104), (11, 1744640), (16, 1199440), (20, 959552), (22, 872320), (29, 661760), (32, 599720), (40, 479776), (44, 436160), (47, 408320), (55, 348928), (58, 330880), (64, 299860), (80, 239888), (88, 218080), (94, 204160), (110, 174464), (116, 165440), (128, 149930), (145, 132352), (160, 119944), (176, 109040), (188, 102080), (220, 87232), (232, 82720), (235, 81664), (256, 74965), (290, 66176), (319, 60160), (320, 59972), (352, 54520), (376, 51040), (440, 43616), (464, 41360), (470, 40832), (517, 37120), (580, 33088), (638, 30080), (640, 29986), (704, 27260), (752, 25520), (880, 21808), (928, 20680), (940, 20416), (1034, 18560), (1160, 16544), (1276, 15040), (1280, 14993), (1363, 14080), (1408, 13630), (1504, 12760), (1595, 12032), (1760, 10904), (1856, 10340), (1880, 10208), (2068, 9280), (2320, 8272), (2552, 7520), (2585, 7424), (2726, 7040), (2816, 6815), (3008, 6380), (3190, 6016), (3520, 5452), (3712, 5170), (3760, 5104), (4136, 4640)]