19938180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332303}}^1$

素因数の和:332315

約数の個数: 24

約数和(自身を含む): 55827072

約数和(自身を除く): 35888892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332303, 664606, 996909, 1329212, 1661515, 1993818, 3323030, 3987636, 4984545, 6646060, 9969090, 19938180]

約数ペア:

[(1, 19938180), (2, 9969090), (3, 6646060), (4, 4984545), (5, 3987636), (6, 3323030), (10, 1993818), (12, 1661515), (15, 1329212), (20, 996909), (30, 664606), (60, 332303)]