19404670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21803}}^1$

素因数の和:21899

約数の個数: 16

約数和(自身を含む): 35322480

約数和(自身を除く): 15917810

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21803, 43606, 109015, 218030, 1940467, 3880934, 9702335, 19404670]

約数ペア:

[(1, 19404670), (2, 9702335), (5, 3880934), (10, 1940467), (89, 218030), (178, 109015), (445, 43606), (890, 21803)]