19678740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327979}}^1$

素因数の和:327991

約数の個数: 24

約数和(自身を含む): 55100640

約数和(自身を除く): 35421900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327979, 655958, 983937, 1311916, 1639895, 1967874, 3279790, 3935748, 4919685, 6559580, 9839370, 19678740]

約数ペア:

[(1, 19678740), (2, 9839370), (3, 6559580), (4, 4919685), (5, 3935748), (6, 3279790), (10, 1967874), (12, 1639895), (15, 1311916), (20, 983937), (30, 655958), (60, 327979)]