18804984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 56678400

約数和(自身を除く): 37873416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 23, 24, 33, 38, 44, 46, 57, 66, 69, 76, 88, 92, 114, 132, 138, 152, 163, 184, 209, 228, 253, 264, 276, 326, 418, 437, 456, 489, 506, 552, 627, 652, 759, 836, 874, 978, 1012, 1254, 1304, 1311, 1518, 1672, 1748, 1793, 1956, 2024, 2508, 2622, 3036, 3097, 3496, 3586, 3749, 3912, 4807, 5016, 5244, 5379, 6072, 6194, 7172, 7498, 9291, 9614, 10488, 10758, 11247, 12388, 14344, 14421, 14996, 18582, 19228, 21516, 22494, 24776, 28842, 29992, 34067, 37164, 38456, 41239, 43032, 44988, 57684, 68134, 71231, 74328, 82478, 89976, 102201, 115368, 123717, 136268, 142462, 164956, 204402, 213693, 247434, 272536, 284924, 329912, 408804, 427386, 494868, 569848, 783541, 817608, 854772, 989736, 1567082, 1709544, 2350623, 3134164, 4701246, 6268328, 9402492, 18804984]

約数ペア:

[(1, 18804984), (2, 9402492), (3, 6268328), (4, 4701246), (6, 3134164), (8, 2350623), (11, 1709544), (12, 1567082), (19, 989736), (22, 854772), (23, 817608), (24, 783541), (33, 569848), (38, 494868), (44, 427386), (46, 408804), (57, 329912), (66, 284924), (69, 272536), (76, 247434), (88, 213693), (92, 204402), (114, 164956), (132, 142462), (138, 136268), (152, 123717), (163, 115368), (184, 102201), (209, 89976), (228, 82478), (253, 74328), (264, 71231), (276, 68134), (326, 57684), (418, 44988), (437, 43032), (456, 41239), (489, 38456), (506, 37164), (552, 34067), (627, 29992), (652, 28842), (759, 24776), (836, 22494), (874, 21516), (978, 19228), (1012, 18582), (1254, 14996), (1304, 14421), (1311, 14344), (1518, 12388), (1672, 11247), (1748, 10758), (1793, 10488), (1956, 9614), (2024, 9291), (2508, 7498), (2622, 7172), (3036, 6194), (3097, 6072), (3496, 5379), (3586, 5244), (3749, 5016), (3912, 4807)]