18142490

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7591}}^1$

素因数の和:7837

約数の個数: 16

約数和(自身を含む): 32797440

約数和(自身を除く): 14654950

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 7591, 15182, 37955, 75910, 1814249, 3628498, 9071245, 18142490]

約数ペア:

[(1, 18142490), (2, 9071245), (5, 3628498), (10, 1814249), (239, 75910), (478, 37955), (1195, 15182), (2390, 7591)]