19523930

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21937}}^1$

素因数の和:22033

約数の個数: 16

約数和(自身を含む): 35539560

約数和(自身を除く): 16015630

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21937, 43874, 109685, 219370, 1952393, 3904786, 9761965, 19523930]

約数ペア:

[(1, 19523930), (2, 9761965), (5, 3904786), (10, 1952393), (89, 219370), (178, 109685), (445, 43874), (890, 21937)]