18971232

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 60041520

約数和(自身を除く): 41070288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 49, 56, 74, 84, 96, 98, 109, 111, 112, 147, 148, 168, 196, 218, 222, 224, 259, 294, 296, 327, 336, 392, 436, 444, 518, 588, 592, 654, 672, 763, 777, 784, 872, 888, 1036, 1176, 1184, 1308, 1526, 1554, 1568, 1744, 1776, 1813, 2072, 2289, 2352, 2616, 3052, 3108, 3488, 3552, 3626, 4033, 4144, 4578, 4704, 5232, 5341, 5439, 6104, 6216, 7252, 8066, 8288, 9156, 10464, 10682, 10878, 12099, 12208, 12432, 14504, 16023, 16132, 18312, 21364, 21756, 24198, 24416, 24864, 28231, 29008, 32046, 32264, 36624, 42728, 43512, 48396, 56462, 58016, 64092, 64528, 73248, 84693, 85456, 87024, 96792, 112924, 128184, 129056, 169386, 170912, 174048, 193584, 197617, 225848, 256368, 338772, 387168, 395234, 451696, 512736, 592851, 677544, 790468, 903392, 1185702, 1355088, 1580936, 2371404, 2710176, 3161872, 4742808, 6323744, 9485616, 18971232]

約数ペア:

[(1, 18971232), (2, 9485616), (3, 6323744), (4, 4742808), (6, 3161872), (7, 2710176), (8, 2371404), (12, 1580936), (14, 1355088), (16, 1185702), (21, 903392), (24, 790468), (28, 677544), (32, 592851), (37, 512736), (42, 451696), (48, 395234), (49, 387168), (56, 338772), (74, 256368), (84, 225848), (96, 197617), (98, 193584), (109, 174048), (111, 170912), (112, 169386), (147, 129056), (148, 128184), (168, 112924), (196, 96792), (218, 87024), (222, 85456), (224, 84693), (259, 73248), (294, 64528), (296, 64092), (327, 58016), (336, 56462), (392, 48396), (436, 43512), (444, 42728), (518, 36624), (588, 32264), (592, 32046), (654, 29008), (672, 28231), (763, 24864), (777, 24416), (784, 24198), (872, 21756), (888, 21364), (1036, 18312), (1176, 16132), (1184, 16023), (1308, 14504), (1526, 12432), (1554, 12208), (1568, 12099), (1744, 10878), (1776, 10682), (1813, 10464), (2072, 9156), (2289, 8288), (2352, 8066), (2616, 7252), (3052, 6216), (3108, 6104), (3488, 5439), (3552, 5341), (3626, 5232), (4033, 4704), (4144, 4578)]