18621306

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 31145094

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 29, 33, 46, 47, 54, 58, 66, 69, 87, 94, 99, 138, 141, 174, 198, 207, 253, 261, 282, 297, 319, 414, 423, 506, 517, 522, 594, 621, 638, 667, 759, 783, 846, 957, 1034, 1081, 1242, 1269, 1334, 1363, 1518, 1551, 1566, 1914, 2001, 2162, 2277, 2538, 2726, 2871, 3102, 3243, 4002, 4089, 4554, 4653, 5742, 6003, 6486, 6831, 7337, 8178, 8613, 9306, 9729, 11891, 12006, 12267, 13662, 13959, 14674, 14993, 17226, 18009, 19458, 22011, 23782, 24534, 27918, 29187, 29986, 31349, 35673, 36018, 36801, 44022, 44979, 58374, 62698, 66033, 71346, 73602, 89958, 94047, 107019, 132066, 134937, 188094, 198099, 214038, 269874, 282141, 321057, 344839, 396198, 404811, 564282, 642114, 689678, 809622, 846423, 1034517, 1692846, 2069034, 3103551, 6207102, 9310653, 18621306]

約数ペア:

[(1, 18621306), (2, 9310653), (3, 6207102), (6, 3103551), (9, 2069034), (11, 1692846), (18, 1034517), (22, 846423), (23, 809622), (27, 689678), (29, 642114), (33, 564282), (46, 404811), (47, 396198), (54, 344839), (58, 321057), (66, 282141), (69, 269874), (87, 214038), (94, 198099), (99, 188094), (138, 134937), (141, 132066), (174, 107019), (198, 94047), (207, 89958), (253, 73602), (261, 71346), (282, 66033), (297, 62698), (319, 58374), (414, 44979), (423, 44022), (506, 36801), (517, 36018), (522, 35673), (594, 31349), (621, 29986), (638, 29187), (667, 27918), (759, 24534), (783, 23782), (846, 22011), (957, 19458), (1034, 18009), (1081, 17226), (1242, 14993), (1269, 14674), (1334, 13959), (1363, 13662), (1518, 12267), (1551, 12006), (1566, 11891), (1914, 9729), (2001, 9306), (2162, 8613), (2277, 8178), (2538, 7337), (2726, 6831), (2871, 6486), (3102, 6003), (3243, 5742), (4002, 4653), (4089, 4554)]