18367317

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9859}}^1$

素因数の和:9894

約数の個数: 20

約数和(自身を含む): 28633440

約数和(自身を除く): 10266123

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9859, 29577, 88731, 226757, 266193, 680271, 798579, 2040813, 6122439, 18367317]

約数ペア:

[(1, 18367317), (3, 6122439), (9, 2040813), (23, 798579), (27, 680271), (69, 266193), (81, 226757), (207, 88731), (621, 29577), (1863, 9859)]