18982737

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 28316288

約数和(自身を除く): 9333551

約数列:

[1, 3, 9, 43, 129, 181, 271, 387, 543, 813, 1629, 2439, 7783, 11653, 23349, 34959, 49051, 70047, 104877, 147153, 441459, 2109193, 6327579, 18982737]

約数ペア:

[(1, 18982737), (3, 6327579), (9, 2109193), (43, 441459), (129, 147153), (181, 104877), (271, 70047), (387, 49051), (543, 34959), (813, 23349), (1629, 11653), (2439, 7783)]