17621858

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:889

約数の個数: 16

約数和(自身を含む): 26934336

約数和(自身を除く): 9312478

約数列:

[1, 2, 103, 131, 206, 262, 653, 1306, 13493, 26986, 67259, 85543, 134518, 171086, 8810929, 17621858]

約数ペア:

[(1, 17621858), (2, 8810929), (103, 171086), (131, 134518), (206, 85543), (262, 67259), (653, 26986), (1306, 13493)]