18885006

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2197

約数の個数: 48

約数和(自身を含む): 47443968

約数和(自身を除く): 28558962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2111, 2982, 4222, 4473, 6333, 8946, 12666, 14777, 18999, 29554, 37998, 44331, 88662, 132993, 149881, 265986, 299762, 449643, 899286, 1049167, 1348929, 2098334, 2697858, 3147501, 6295002, 9442503, 18885006]

約数ペア:

[(1, 18885006), (2, 9442503), (3, 6295002), (6, 3147501), (7, 2697858), (9, 2098334), (14, 1348929), (18, 1049167), (21, 899286), (42, 449643), (63, 299762), (71, 265986), (126, 149881), (142, 132993), (213, 88662), (426, 44331), (497, 37998), (639, 29554), (994, 18999), (1278, 14777), (1491, 12666), (2111, 8946), (2982, 6333), (4222, 4473)]