18331490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25819}}^1$

素因数の和:25897

約数の個数: 16

約数和(自身を含む): 33462720

約数和(自身を除く): 15131230

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 25819, 51638, 129095, 258190, 1833149, 3666298, 9165745, 18331490]

約数ペア:

[(1, 18331490), (2, 9165745), (5, 3666298), (10, 1833149), (71, 258190), (142, 129095), (355, 51638), (710, 25819)]