18558866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8147}}^1$

素因数の和:8233

約数の個数: 16

約数和(自身を含む): 29919456

約数和(自身を除く): 11360590

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8147, 16294, 138499, 276998, 545849, 1091698, 9279433, 18558866]

約数ペア:

[(1, 18558866), (2, 9279433), (17, 1091698), (34, 545849), (67, 276998), (134, 138499), (1139, 16294), (2278, 8147)]