18640482

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 47278080

約数和(自身を除く): 28637598

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 47, 49, 57, 71, 94, 98, 114, 133, 141, 142, 147, 213, 266, 282, 294, 329, 399, 426, 497, 658, 798, 893, 931, 987, 994, 1349, 1491, 1786, 1862, 1974, 2303, 2679, 2698, 2793, 2982, 3337, 3479, 4047, 4606, 5358, 5586, 6251, 6674, 6909, 6958, 8094, 9443, 10011, 10437, 12502, 13818, 18753, 18886, 20022, 20874, 23359, 28329, 37506, 43757, 46718, 56658, 63403, 66101, 70077, 87514, 126806, 131271, 132202, 140154, 163513, 190209, 198303, 262542, 327026, 380418, 396606, 443821, 490539, 887642, 981078, 1331463, 2662926, 3106747, 6213494, 9320241, 18640482]

約数ペア:

[(1, 18640482), (2, 9320241), (3, 6213494), (6, 3106747), (7, 2662926), (14, 1331463), (19, 981078), (21, 887642), (38, 490539), (42, 443821), (47, 396606), (49, 380418), (57, 327026), (71, 262542), (94, 198303), (98, 190209), (114, 163513), (133, 140154), (141, 132202), (142, 131271), (147, 126806), (213, 87514), (266, 70077), (282, 66101), (294, 63403), (329, 56658), (399, 46718), (426, 43757), (497, 37506), (658, 28329), (798, 23359), (893, 20874), (931, 20022), (987, 18886), (994, 18753), (1349, 13818), (1491, 12502), (1786, 10437), (1862, 10011), (1974, 9443), (2303, 8094), (2679, 6958), (2698, 6909), (2793, 6674), (2982, 6251), (3337, 5586), (3479, 5358), (4047, 4606)]