19727220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328787}}^1$

素因数の和:328799

約数の個数: 24

約数和(自身を含む): 55236384

約数和(自身を除く): 35509164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328787, 657574, 986361, 1315148, 1643935, 1972722, 3287870, 3945444, 4931805, 6575740, 9863610, 19727220]

約数ペア:

[(1, 19727220), (2, 9863610), (3, 6575740), (4, 4931805), (5, 3945444), (6, 3287870), (10, 1972722), (12, 1643935), (15, 1315148), (20, 986361), (30, 657574), (60, 328787)]