19902210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663407}}^1$

素因数の和:663417

約数の個数: 16

約数和(自身を含む): 47765376

約数和(自身を除く): 27863166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663407, 1326814, 1990221, 3317035, 3980442, 6634070, 9951105, 19902210]

約数ペア:

[(1, 19902210), (2, 9951105), (3, 6634070), (5, 3980442), (6, 3317035), (10, 1990221), (15, 1326814), (30, 663407)]