18871226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{7591}}^1$

素因数の和:7717

約数の個数: 16

約数和(自身を含む): 31157568

約数和(自身を除く): 12286342

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 7591, 15182, 83501, 167002, 857783, 1715566, 9435613, 18871226]

約数ペア:

[(1, 18871226), (2, 9435613), (11, 1715566), (22, 857783), (113, 167002), (226, 83501), (1243, 15182), (2486, 7591)]