19601568

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{463}}^1$

素因数の和:496

約数の個数: 144

約数和(自身を含む): 66648960

約数和(自身を除く): 47047392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 441, 463, 504, 588, 672, 756, 784, 864, 882, 926, 1008, 1176, 1323, 1389, 1512, 1568, 1764, 1852, 2016, 2352, 2646, 2778, 3024, 3241, 3528, 3704, 4167, 4704, 5292, 5556, 6048, 6482, 7056, 7408, 8334, 9723, 10584, 11112, 12501, 12964, 14112, 14816, 16668, 19446, 21168, 22224, 22687, 25002, 25928, 29169, 33336, 38892, 42336, 44448, 45374, 50004, 51856, 58338, 66672, 68061, 77784, 87507, 90748, 100008, 103712, 116676, 133344, 136122, 155568, 175014, 181496, 200016, 204183, 233352, 272244, 311136, 350028, 362992, 400032, 408366, 466704, 544488, 612549, 700056, 725984, 816732, 933408, 1088976, 1225098, 1400112, 1633464, 2177952, 2450196, 2800224, 3266928, 4900392, 6533856, 9800784, 19601568]

約数ペア:

[(1, 19601568), (2, 9800784), (3, 6533856), (4, 4900392), (6, 3266928), (7, 2800224), (8, 2450196), (9, 2177952), (12, 1633464), (14, 1400112), (16, 1225098), (18, 1088976), (21, 933408), (24, 816732), (27, 725984), (28, 700056), (32, 612549), (36, 544488), (42, 466704), (48, 408366), (49, 400032), (54, 362992), (56, 350028), (63, 311136), (72, 272244), (84, 233352), (96, 204183), (98, 200016), (108, 181496), (112, 175014), (126, 155568), (144, 136122), (147, 133344), (168, 116676), (189, 103712), (196, 100008), (216, 90748), (224, 87507), (252, 77784), (288, 68061), (294, 66672), (336, 58338), (378, 51856), (392, 50004), (432, 45374), (441, 44448), (463, 42336), (504, 38892), (588, 33336), (672, 29169), (756, 25928), (784, 25002), (864, 22687), (882, 22224), (926, 21168), (1008, 19446), (1176, 16668), (1323, 14816), (1389, 14112), (1512, 12964), (1568, 12501), (1764, 11112), (1852, 10584), (2016, 9723), (2352, 8334), (2646, 7408), (2778, 7056), (3024, 6482), (3241, 6048), (3528, 5556), (3704, 5292), (4167, 4704)]