18563278

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{929}}^1$

素因数の和:1131

約数の個数: 16

約数和(自身を含む): 28435680

約数和(自身を除く): 9872402

約数列:

[1, 2, 97, 103, 194, 206, 929, 1858, 9991, 19982, 90113, 95687, 180226, 191374, 9281639, 18563278]

約数ペア:

[(1, 18563278), (2, 9281639), (97, 191374), (103, 180226), (194, 95687), (206, 90113), (929, 19982), (1858, 9991)]