18977571

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{2693}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 29418480

約数和(自身を除く): 10440909

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 2693, 7047, 8079, 24237, 72711, 78097, 218133, 234291, 654399, 702873, 2108619, 6325857, 18977571]

約数ペア:

[(1, 18977571), (3, 6325857), (9, 2108619), (27, 702873), (29, 654399), (81, 234291), (87, 218133), (243, 78097), (261, 72711), (783, 24237), (2349, 8079), (2693, 7047)]