12781490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67271}}^1$

素因数の和:67297

約数の個数: 16

約数和(自身を含む): 24217920

約数和(自身を除く): 11436430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 67271, 134542, 336355, 672710, 1278149, 2556298, 6390745, 12781490]

約数ペア:

[(1, 12781490), (2, 6390745), (5, 2556298), (10, 1278149), (19, 672710), (38, 336355), (95, 134542), (190, 67271)]