18389994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 25046742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 426, 497, 881, 994, 1491, 1762, 2643, 2982, 3479, 5286, 6167, 6958, 10437, 12334, 18501, 20874, 37002, 43169, 62551, 86338, 125102, 129507, 187653, 259014, 375306, 437857, 875714, 1313571, 2627142, 3064999, 6129998, 9194997, 18389994]

約数ペア:

[(1, 18389994), (2, 9194997), (3, 6129998), (6, 3064999), (7, 2627142), (14, 1313571), (21, 875714), (42, 437857), (49, 375306), (71, 259014), (98, 187653), (142, 129507), (147, 125102), (213, 86338), (294, 62551), (426, 43169), (497, 37002), (881, 20874), (994, 18501), (1491, 12334), (1762, 10437), (2643, 6958), (2982, 6167), (3479, 5286)]