19940662

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10247}}^1$

素因数の和:10395

約数の個数: 16

約数和(自身を含む): 34433280

約数和(自身を除く): 14492618

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 10247, 20494, 71729, 143458, 1424333, 2848666, 9970331, 19940662]

約数ペア:

[(1, 19940662), (2, 9970331), (7, 2848666), (14, 1424333), (139, 143458), (278, 71729), (973, 20494), (1946, 10247)]