18683218

素因数分解:

$2^1\times {\mathrm{67}}^2\times {\mathrm{2081}}^1$

素因数の和:2217

約数の個数: 12

約数和(自身を含む): 28463022

約数和(自身を除く): 9779804

約数列:

[1, 2, 67, 134, 2081, 4162, 4489, 8978, 139427, 278854, 9341609, 18683218]

約数ペア:

[(1, 18683218), (2, 9341609), (67, 278854), (134, 139427), (2081, 8978), (4162, 4489)]