18990048

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 63431424

約数和(自身を除く): 44441376

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 96, 98, 112, 132, 147, 154, 168, 176, 196, 224, 231, 264, 294, 308, 336, 352, 367, 392, 462, 528, 539, 588, 616, 672, 734, 784, 924, 1056, 1078, 1101, 1176, 1232, 1468, 1568, 1617, 1848, 2156, 2202, 2352, 2464, 2569, 2936, 3234, 3696, 4037, 4312, 4404, 4704, 5138, 5872, 6468, 7392, 7707, 8074, 8624, 8808, 10276, 11744, 12111, 12936, 15414, 16148, 17248, 17616, 17983, 20552, 24222, 25872, 28259, 30828, 32296, 35232, 35966, 41104, 48444, 51744, 53949, 56518, 61656, 64592, 71932, 82208, 84777, 96888, 107898, 113036, 123312, 129184, 143864, 169554, 193776, 197813, 215796, 226072, 246624, 287728, 339108, 387552, 395626, 431592, 452144, 575456, 593439, 678216, 791252, 863184, 904288, 1186878, 1356432, 1582504, 1726368, 2373756, 2712864, 3165008, 4747512, 6330016, 9495024, 18990048]

約数ペア:

[(1, 18990048), (2, 9495024), (3, 6330016), (4, 4747512), (6, 3165008), (7, 2712864), (8, 2373756), (11, 1726368), (12, 1582504), (14, 1356432), (16, 1186878), (21, 904288), (22, 863184), (24, 791252), (28, 678216), (32, 593439), (33, 575456), (42, 452144), (44, 431592), (48, 395626), (49, 387552), (56, 339108), (66, 287728), (77, 246624), (84, 226072), (88, 215796), (96, 197813), (98, 193776), (112, 169554), (132, 143864), (147, 129184), (154, 123312), (168, 113036), (176, 107898), (196, 96888), (224, 84777), (231, 82208), (264, 71932), (294, 64592), (308, 61656), (336, 56518), (352, 53949), (367, 51744), (392, 48444), (462, 41104), (528, 35966), (539, 35232), (588, 32296), (616, 30828), (672, 28259), (734, 25872), (784, 24222), (924, 20552), (1056, 17983), (1078, 17616), (1101, 17248), (1176, 16148), (1232, 15414), (1468, 12936), (1568, 12111), (1617, 11744), (1848, 10276), (2156, 8808), (2202, 8624), (2352, 8074), (2464, 7707), (2569, 7392), (2936, 6468), (3234, 5872), (3696, 5138), (4037, 4704), (4312, 4404)]