20180858

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:673

約数の個数: 16

約数和(自身を含む): 30709800

約数和(自身を除く): 10528942

約数列:

[1, 2, 149, 241, 281, 298, 482, 562, 35909, 41869, 67721, 71818, 83738, 135442, 10090429, 20180858]

約数ペア:

[(1, 20180858), (2, 10090429), (149, 135442), (241, 83738), (281, 71818), (298, 67721), (482, 41869), (562, 35909)]