18812060

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1423}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 39592896

約数和(自身を除く): 20780836

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 1423, 2644, 2846, 3305, 5692, 6610, 7115, 13220, 14230, 28460, 940603, 1881206, 3762412, 4703015, 9406030, 18812060]

約数ペア:

[(1, 18812060), (2, 9406030), (4, 4703015), (5, 3762412), (10, 1881206), (20, 940603), (661, 28460), (1322, 14230), (1423, 13220), (2644, 7115), (2846, 6610), (3305, 5692)]