18915456

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 59535360

約数和(自身を除く): 40619904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 227, 248, 336, 372, 384, 434, 448, 454, 496, 651, 672, 681, 744, 868, 896, 908, 992, 1302, 1344, 1362, 1488, 1589, 1736, 1816, 1984, 2604, 2688, 2724, 2976, 3178, 3472, 3632, 3968, 4767, 5208, 5448, 5952, 6356, 6944, 7037, 7264, 9534, 10416, 10896, 11904, 12712, 13888, 14074, 14528, 19068, 20832, 21111, 21792, 25424, 27776, 28148, 29056, 38136, 41664, 42222, 43584, 49259, 50848, 56296, 76272, 83328, 84444, 87168, 98518, 101696, 112592, 147777, 152544, 168888, 197036, 203392, 225184, 295554, 305088, 337776, 394072, 450368, 591108, 610176, 675552, 788144, 900736, 1182216, 1351104, 1576288, 2364432, 2702208, 3152576, 4728864, 6305152, 9457728, 18915456]

約数ペア:

[(1, 18915456), (2, 9457728), (3, 6305152), (4, 4728864), (6, 3152576), (7, 2702208), (8, 2364432), (12, 1576288), (14, 1351104), (16, 1182216), (21, 900736), (24, 788144), (28, 675552), (31, 610176), (32, 591108), (42, 450368), (48, 394072), (56, 337776), (62, 305088), (64, 295554), (84, 225184), (93, 203392), (96, 197036), (112, 168888), (124, 152544), (128, 147777), (168, 112592), (186, 101696), (192, 98518), (217, 87168), (224, 84444), (227, 83328), (248, 76272), (336, 56296), (372, 50848), (384, 49259), (434, 43584), (448, 42222), (454, 41664), (496, 38136), (651, 29056), (672, 28148), (681, 27776), (744, 25424), (868, 21792), (896, 21111), (908, 20832), (992, 19068), (1302, 14528), (1344, 14074), (1362, 13888), (1488, 12712), (1589, 11904), (1736, 10896), (1816, 10416), (1984, 9534), (2604, 7264), (2688, 7037), (2724, 6944), (2976, 6356), (3178, 5952), (3472, 5448), (3632, 5208), (3968, 4767)]