18288780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{304813}}^1$

素因数の和:304825

約数の個数: 24

約数和(自身を含む): 51208752

約数和(自身を除く): 32919972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 304813, 609626, 914439, 1219252, 1524065, 1828878, 3048130, 3657756, 4572195, 6096260, 9144390, 18288780]

約数ペア:

[(1, 18288780), (2, 9144390), (3, 6096260), (4, 4572195), (5, 3657756), (6, 3048130), (10, 1828878), (12, 1524065), (15, 1219252), (20, 914439), (30, 609626), (60, 304813)]