19666740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327779}}^1$

素因数の和:327791

約数の個数: 24

約数和(自身を含む): 55067040

約数和(自身を除く): 35400300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327779, 655558, 983337, 1311116, 1638895, 1966674, 3277790, 3933348, 4916685, 6555580, 9833370, 19666740]

約数ペア:

[(1, 19666740), (2, 9833370), (3, 6555580), (4, 4916685), (5, 3933348), (6, 3277790), (10, 1966674), (12, 1638895), (15, 1311116), (20, 983337), (30, 655558), (60, 327779)]