18957309

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19207}}^1$

素因数の和:19264

約数の個数: 16

約数和(自身を含む): 29503488

約数和(自身を除く): 10546179

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19207, 57621, 134449, 403347, 902729, 2708187, 6319103, 18957309]

約数ペア:

[(1, 18957309), (3, 6319103), (7, 2708187), (21, 902729), (47, 403347), (141, 134449), (329, 57621), (987, 19207)]