19975546

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1913}}^1$

素因数の和:2165

約数の個数: 16

約数和(自身を含む): 31420224

約数和(自身を除く): 11444678

約数列:

[1, 2, 23, 46, 227, 454, 1913, 3826, 5221, 10442, 43999, 87998, 434251, 868502, 9987773, 19975546]

約数ペア:

[(1, 19975546), (2, 9987773), (23, 868502), (46, 434251), (227, 87998), (454, 43999), (1913, 10442), (3826, 5221)]