209646

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:640

約数の個数: 24

約数和(自身を含む): 478920

約数和(自身を除く): 269274

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 613, 1226, 1839, 3678, 5517, 11034, 11647, 23294, 34941, 69882, 104823, 209646]

約数ペア:

[(1, 209646), (2, 104823), (3, 69882), (6, 34941), (9, 23294), (18, 11647), (19, 11034), (38, 5517), (57, 3678), (114, 1839), (171, 1226), (342, 613)]