19938090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{664603}}^1$

素因数の和:664613

約数の個数: 16

約数和(自身を含む): 47851488

約数和(自身を除く): 27913398

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 664603, 1329206, 1993809, 3323015, 3987618, 6646030, 9969045, 19938090]

約数ペア:

[(1, 19938090), (2, 9969045), (3, 6646030), (5, 3987618), (6, 3323015), (10, 1993809), (15, 1329206), (30, 664603)]