18914847

素因数分解:

$3^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1051}}^1$

素因数の和:1918

約数の個数: 16

約数和(自身を含む): 28883712

約数和(自身を除く): 9968865

約数列:

[1, 3, 7, 21, 857, 1051, 2571, 3153, 5999, 7357, 17997, 22071, 900707, 2702121, 6304949, 18914847]

約数ペア:

[(1, 18914847), (3, 6304949), (7, 2702121), (21, 900707), (857, 22071), (1051, 17997), (2571, 7357), (3153, 5999)]