18486982

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1895

約数の個数: 16

約数和(自身を含む): 28640304

約数和(自身を除く): 10153322

約数列:

[1, 2, 41, 82, 131, 262, 1721, 3442, 5371, 10742, 70561, 141122, 225451, 450902, 9243491, 18486982]

約数ペア:

[(1, 18486982), (2, 9243491), (41, 450902), (82, 225451), (131, 141122), (262, 70561), (1721, 10742), (3442, 5371)]