19516728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 42691272

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 59, 66, 77, 84, 88, 118, 132, 154, 168, 177, 179, 231, 236, 264, 308, 354, 358, 413, 462, 472, 537, 616, 649, 708, 716, 826, 924, 1074, 1239, 1253, 1298, 1416, 1432, 1652, 1848, 1947, 1969, 2148, 2478, 2506, 2596, 3304, 3759, 3894, 3938, 4296, 4543, 4956, 5012, 5192, 5907, 7518, 7788, 7876, 9086, 9912, 10024, 10561, 11814, 13629, 13783, 15036, 15576, 15752, 18172, 21122, 23628, 27258, 27566, 30072, 31683, 36344, 41349, 42244, 47256, 54516, 55132, 63366, 73927, 82698, 84488, 109032, 110264, 116171, 126732, 147854, 165396, 221781, 232342, 253464, 295708, 330792, 348513, 443562, 464684, 591416, 697026, 813197, 887124, 929368, 1394052, 1626394, 1774248, 2439591, 2788104, 3252788, 4879182, 6505576, 9758364, 19516728]

約数ペア:

[(1, 19516728), (2, 9758364), (3, 6505576), (4, 4879182), (6, 3252788), (7, 2788104), (8, 2439591), (11, 1774248), (12, 1626394), (14, 1394052), (21, 929368), (22, 887124), (24, 813197), (28, 697026), (33, 591416), (42, 464684), (44, 443562), (56, 348513), (59, 330792), (66, 295708), (77, 253464), (84, 232342), (88, 221781), (118, 165396), (132, 147854), (154, 126732), (168, 116171), (177, 110264), (179, 109032), (231, 84488), (236, 82698), (264, 73927), (308, 63366), (354, 55132), (358, 54516), (413, 47256), (462, 42244), (472, 41349), (537, 36344), (616, 31683), (649, 30072), (708, 27566), (716, 27258), (826, 23628), (924, 21122), (1074, 18172), (1239, 15752), (1253, 15576), (1298, 15036), (1416, 13783), (1432, 13629), (1652, 11814), (1848, 10561), (1947, 10024), (1969, 9912), (2148, 9086), (2478, 7876), (2506, 7788), (2596, 7518), (3304, 5907), (3759, 5192), (3894, 5012), (3938, 4956), (4296, 4543)]