19391418

素因数分解:

$2^1\times 3^2\times {\mathrm{1077301}}^1$

素因数の和:1077309

約数の個数: 12

約数和(自身を含む): 42014778

約数和(自身を除く): 22623360

約数列:

[1, 2, 3, 6, 9, 18, 1077301, 2154602, 3231903, 6463806, 9695709, 19391418]

約数ペア:

[(1, 19391418), (2, 9695709), (3, 6463806), (6, 3231903), (9, 2154602), (18, 1077301)]