18303821

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 19968000

約数和(自身を除く): 1664179

約数列:

[1, 19, 47, 103, 199, 893, 1957, 3781, 4841, 9353, 20497, 91979, 177707, 389443, 963359, 18303821]

約数ペア:

[(1, 18303821), (19, 963359), (47, 389443), (103, 177707), (199, 91979), (893, 20497), (1957, 9353), (3781, 4841)]