18119619

素因数分解:

$3^4\times 7^1\times {\mathrm{31957}}^1$

素因数の和:31976

約数の個数: 20

約数和(自身を含む): 30935344

約数和(自身を除く): 12815725

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 31957, 95871, 223699, 287613, 671097, 862839, 2013291, 2588517, 6039873, 18119619]

約数ペア:

[(1, 18119619), (3, 6039873), (7, 2588517), (9, 2013291), (21, 862839), (27, 671097), (63, 287613), (81, 223699), (189, 95871), (567, 31957)]