18982060

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1933}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 39964176

約数和(自身を除く): 20982116

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1933, 1964, 2455, 3866, 4910, 7732, 9665, 9820, 19330, 38660, 949103, 1898206, 3796412, 4745515, 9491030, 18982060]

約数ペア:

[(1, 18982060), (2, 9491030), (4, 4745515), (5, 3796412), (10, 1898206), (20, 949103), (491, 38660), (982, 19330), (1933, 9820), (1964, 9665), (2455, 7732), (3866, 4910)]