18997363

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{2039}}^1$

素因数の和:2079

約数の個数: 16

約数和(自身を含む): 23892480

約数和(自身を除く): 4895117

約数列:

[1, 7, 11, 77, 121, 847, 1331, 2039, 9317, 14273, 22429, 157003, 246719, 1727033, 2713909, 18997363]

約数ペア:

[(1, 18997363), (7, 2713909), (11, 1727033), (77, 246719), (121, 157003), (847, 22429), (1331, 14273), (2039, 9317)]