19825810

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4139}}^1$

素因数の和:4625

約数の個数: 16

約数和(自身を含む): 35769600

約数和(自身を除く): 15943790

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4139, 4790, 8278, 20695, 41390, 1982581, 3965162, 9912905, 19825810]

約数ペア:

[(1, 19825810), (2, 9912905), (5, 3965162), (10, 1982581), (479, 41390), (958, 20695), (2395, 8278), (4139, 4790)]