18278666

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^2$

素因数の和:195

約数の個数: 36

約数和(自身を含む): 33224274

約数和(自身を除く): 14945608

約数列:

[1, 2, 7, 14, 37, 49, 71, 74, 98, 142, 259, 497, 518, 994, 1813, 2627, 3479, 3626, 5041, 5254, 6958, 10082, 18389, 35287, 36778, 70574, 128723, 186517, 247009, 257446, 373034, 494018, 1305619, 2611238, 9139333, 18278666]

約数ペア:

[(1, 18278666), (2, 9139333), (7, 2611238), (14, 1305619), (37, 494018), (49, 373034), (71, 257446), (74, 247009), (98, 186517), (142, 128723), (259, 70574), (497, 36778), (518, 35287), (994, 18389), (1813, 10082), (2627, 6958), (3479, 5254), (3626, 5041)]