18827940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 52940160

約数和(自身を除く): 34112220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1009, 1244, 1555, 1866, 2018, 3027, 3110, 3732, 4036, 4665, 5045, 6054, 6220, 9330, 10090, 12108, 15135, 18660, 20180, 30270, 60540, 313799, 627598, 941397, 1255196, 1568995, 1882794, 3137990, 3765588, 4706985, 6275980, 9413970, 18827940]

約数ペア:

[(1, 18827940), (2, 9413970), (3, 6275980), (4, 4706985), (5, 3765588), (6, 3137990), (10, 1882794), (12, 1568995), (15, 1255196), (20, 941397), (30, 627598), (60, 313799), (311, 60540), (622, 30270), (933, 20180), (1009, 18660), (1244, 15135), (1555, 12108), (1866, 10090), (2018, 9330), (3027, 6220), (3110, 6054), (3732, 5045), (4036, 4665)]