18474995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 28256256

約数和(自身を除く): 9781261

約数列:

[1, 5, 7, 11, 35, 47, 55, 77, 235, 329, 385, 517, 1021, 1645, 2585, 3619, 5105, 7147, 11231, 18095, 35735, 47987, 56155, 78617, 239935, 335909, 393085, 527857, 1679545, 2639285, 3694999, 18474995]

約数ペア:

[(1, 18474995), (5, 3694999), (7, 2639285), (11, 1679545), (35, 527857), (47, 393085), (55, 335909), (77, 239935), (235, 78617), (329, 56155), (385, 47987), (517, 35735), (1021, 18095), (1645, 11231), (2585, 7147), (3619, 5105)]