19407339

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2879}}^1$

素因数の和:2999

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 12940821

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2879, 6741, 8637, 20153, 25911, 60459, 181377, 308053, 924159, 2156371, 2772477, 6469113, 19407339]

約数ペア:

[(1, 19407339), (3, 6469113), (7, 2772477), (9, 2156371), (21, 924159), (63, 308053), (107, 181377), (321, 60459), (749, 25911), (963, 20153), (2247, 8637), (2879, 6741)]