18897637

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 2270363

約数列:

[1, 11, 89, 97, 199, 979, 1067, 2189, 8633, 17711, 19303, 94963, 194821, 212333, 1717967, 18897637]

約数ペア:

[(1, 18897637), (11, 1717967), (89, 212333), (97, 194821), (199, 94963), (979, 19303), (1067, 17711), (2189, 8633)]