18281256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 57127680

約数和(自身を除く): 38846424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 37, 42, 51, 56, 68, 74, 84, 102, 111, 119, 136, 148, 168, 173, 204, 222, 238, 259, 296, 346, 357, 408, 444, 476, 518, 519, 629, 692, 714, 777, 888, 952, 1036, 1038, 1211, 1258, 1384, 1428, 1554, 1887, 2072, 2076, 2422, 2516, 2856, 2941, 3108, 3633, 3774, 4152, 4403, 4844, 5032, 5882, 6216, 6401, 7266, 7548, 8806, 8823, 9688, 11764, 12802, 13209, 14532, 15096, 17612, 17646, 19203, 20587, 23528, 25604, 26418, 29064, 35224, 35292, 38406, 41174, 44807, 51208, 52836, 61761, 70584, 76812, 82348, 89614, 105672, 108817, 123522, 134421, 153624, 164696, 179228, 217634, 247044, 268842, 326451, 358456, 435268, 494088, 537684, 652902, 761719, 870536, 1075368, 1305804, 1523438, 2285157, 2611608, 3046876, 4570314, 6093752, 9140628, 18281256]

約数ペア:

[(1, 18281256), (2, 9140628), (3, 6093752), (4, 4570314), (6, 3046876), (7, 2611608), (8, 2285157), (12, 1523438), (14, 1305804), (17, 1075368), (21, 870536), (24, 761719), (28, 652902), (34, 537684), (37, 494088), (42, 435268), (51, 358456), (56, 326451), (68, 268842), (74, 247044), (84, 217634), (102, 179228), (111, 164696), (119, 153624), (136, 134421), (148, 123522), (168, 108817), (173, 105672), (204, 89614), (222, 82348), (238, 76812), (259, 70584), (296, 61761), (346, 52836), (357, 51208), (408, 44807), (444, 41174), (476, 38406), (518, 35292), (519, 35224), (629, 29064), (692, 26418), (714, 25604), (777, 23528), (888, 20587), (952, 19203), (1036, 17646), (1038, 17612), (1211, 15096), (1258, 14532), (1384, 13209), (1428, 12802), (1554, 11764), (1887, 9688), (2072, 8823), (2076, 8806), (2422, 7548), (2516, 7266), (2856, 6401), (2941, 6216), (3108, 5882), (3633, 5032), (3774, 4844), (4152, 4403)]