18751656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 59673600

約数和(自身を除く): 40921944

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 73, 77, 84, 88, 132, 139, 146, 154, 168, 219, 231, 264, 278, 292, 308, 417, 438, 462, 511, 556, 584, 616, 803, 834, 876, 924, 973, 1022, 1112, 1529, 1533, 1606, 1668, 1752, 1848, 1946, 2044, 2409, 2919, 3058, 3066, 3212, 3336, 3892, 4088, 4587, 4818, 5621, 5838, 6116, 6132, 6424, 7784, 9174, 9636, 10147, 10703, 11242, 11676, 12232, 12264, 16863, 18348, 19272, 20294, 21406, 22484, 23352, 30441, 32109, 33726, 36696, 40588, 42812, 44968, 60882, 64218, 67452, 71029, 81176, 85624, 111617, 121764, 128436, 134904, 142058, 213087, 223234, 243528, 256872, 284116, 334851, 426174, 446468, 568232, 669702, 781319, 852348, 892936, 1339404, 1562638, 1704696, 2343957, 2678808, 3125276, 4687914, 6250552, 9375828, 18751656]

約数ペア:

[(1, 18751656), (2, 9375828), (3, 6250552), (4, 4687914), (6, 3125276), (7, 2678808), (8, 2343957), (11, 1704696), (12, 1562638), (14, 1339404), (21, 892936), (22, 852348), (24, 781319), (28, 669702), (33, 568232), (42, 446468), (44, 426174), (56, 334851), (66, 284116), (73, 256872), (77, 243528), (84, 223234), (88, 213087), (132, 142058), (139, 134904), (146, 128436), (154, 121764), (168, 111617), (219, 85624), (231, 81176), (264, 71029), (278, 67452), (292, 64218), (308, 60882), (417, 44968), (438, 42812), (462, 40588), (511, 36696), (556, 33726), (584, 32109), (616, 30441), (803, 23352), (834, 22484), (876, 21406), (924, 20294), (973, 19272), (1022, 18348), (1112, 16863), (1529, 12264), (1533, 12232), (1606, 11676), (1668, 11242), (1752, 10703), (1848, 10147), (1946, 9636), (2044, 9174), (2409, 7784), (2919, 6424), (3058, 6132), (3066, 6116), (3212, 5838), (3336, 5621), (3892, 4818), (4088, 4587)]