18458366

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1199

約数の個数: 16

約数和(自身を含む): 28331520

約数和(自身を除く): 9873154

約数列:

[1, 2, 67, 134, 139, 278, 991, 1982, 9313, 18626, 66397, 132794, 137749, 275498, 9229183, 18458366]

約数ペア:

[(1, 18458366), (2, 9229183), (67, 275498), (134, 137749), (139, 132794), (278, 66397), (991, 18626), (1982, 9313)]