19733560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 57024000

約数和(自身を除く): 37290440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 149, 154, 172, 215, 220, 280, 298, 301, 308, 344, 385, 430, 440, 473, 596, 602, 616, 745, 770, 860, 946, 1043, 1192, 1204, 1490, 1505, 1540, 1639, 1720, 1892, 2086, 2365, 2408, 2980, 3010, 3080, 3278, 3311, 3784, 4172, 4730, 5215, 5960, 6020, 6407, 6556, 6622, 8195, 8344, 9460, 10430, 11473, 12040, 12814, 13112, 13244, 16390, 16555, 18920, 20860, 22946, 25628, 26488, 32035, 32780, 33110, 41720, 44849, 45892, 51256, 57365, 64070, 65560, 66220, 70477, 89698, 91784, 114730, 128140, 132440, 140954, 179396, 224245, 229460, 256280, 281908, 352385, 358792, 448490, 458920, 493339, 563816, 704770, 896980, 986678, 1409540, 1793960, 1973356, 2466695, 2819080, 3946712, 4933390, 9866780, 19733560]

約数ペア:

[(1, 19733560), (2, 9866780), (4, 4933390), (5, 3946712), (7, 2819080), (8, 2466695), (10, 1973356), (11, 1793960), (14, 1409540), (20, 986678), (22, 896980), (28, 704770), (35, 563816), (40, 493339), (43, 458920), (44, 448490), (55, 358792), (56, 352385), (70, 281908), (77, 256280), (86, 229460), (88, 224245), (110, 179396), (140, 140954), (149, 132440), (154, 128140), (172, 114730), (215, 91784), (220, 89698), (280, 70477), (298, 66220), (301, 65560), (308, 64070), (344, 57365), (385, 51256), (430, 45892), (440, 44849), (473, 41720), (596, 33110), (602, 32780), (616, 32035), (745, 26488), (770, 25628), (860, 22946), (946, 20860), (1043, 18920), (1192, 16555), (1204, 16390), (1490, 13244), (1505, 13112), (1540, 12814), (1639, 12040), (1720, 11473), (1892, 10430), (2086, 9460), (2365, 8344), (2408, 8195), (2980, 6622), (3010, 6556), (3080, 6407), (3278, 6020), (3311, 5960), (3784, 5215), (4172, 4730)]