19418554

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1077

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 10303046

約数列:

[1, 2, 89, 127, 178, 254, 859, 1718, 11303, 22606, 76451, 109093, 152902, 218186, 9709277, 19418554]

約数ペア:

[(1, 19418554), (2, 9709277), (89, 218186), (127, 152902), (178, 109093), (254, 76451), (859, 22606), (1718, 11303)]