219906

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:670

約数の個数: 24

約数和(自身を含む): 502320

約数和(自身を除く): 282414

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 643, 1286, 1929, 3858, 5787, 11574, 12217, 24434, 36651, 73302, 109953, 219906]

約数ペア:

[(1, 219906), (2, 109953), (3, 73302), (6, 36651), (9, 24434), (18, 12217), (19, 11574), (38, 5787), (57, 3858), (114, 1929), (171, 1286), (342, 643)]