18354147

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1291}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 28031232

約数和(自身を除く): 9677085

約数列:

[1, 3, 7, 21, 677, 1291, 2031, 3873, 4739, 9037, 14217, 27111, 874007, 2622021, 6118049, 18354147]

約数ペア:

[(1, 18354147), (3, 6118049), (7, 2622021), (21, 874007), (677, 27111), (1291, 14217), (2031, 9037), (3873, 4739)]