18864819

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{2677}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 29243760

約数和(自身を除く): 10378941

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 2677, 7047, 8031, 24093, 72279, 77633, 216837, 232899, 650511, 698697, 2096091, 6288273, 18864819]

約数ペア:

[(1, 18864819), (3, 6288273), (9, 2096091), (27, 698697), (29, 650511), (81, 232899), (87, 216837), (243, 77633), (261, 72279), (783, 24093), (2349, 8031), (2677, 7047)]