18172879

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 19584000

約数和(自身を除く): 1411121

約数列:

[1, 29, 47, 67, 199, 1363, 1943, 3149, 5771, 9353, 13333, 91321, 271237, 386657, 626651, 18172879]

約数ペア:

[(1, 18172879), (29, 626651), (47, 386657), (67, 271237), (199, 91321), (1363, 13333), (1943, 9353), (3149, 5771)]