18564514

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 28312128

約数和(自身を除く): 9747614

約数列:

[1, 2, 103, 206, 227, 397, 454, 794, 23381, 40891, 46762, 81782, 90119, 180238, 9282257, 18564514]

約数ペア:

[(1, 18564514), (2, 9282257), (103, 180238), (206, 90119), (227, 81782), (397, 46762), (454, 40891), (794, 23381)]