19440459

素因数分解:

$3^3\times {\mathrm{821}}^1\times {\mathrm{877}}^1$

素因数の和:1707

約数の個数: 16

約数和(自身を含む): 28868640

約数和(自身を除く): 9428181

約数列:

[1, 3, 9, 27, 821, 877, 2463, 2631, 7389, 7893, 22167, 23679, 720017, 2160051, 6480153, 19440459]

約数ペア:

[(1, 19440459), (3, 6480153), (9, 2160051), (27, 720017), (821, 23679), (877, 22167), (2463, 7893), (2631, 7389)]