19638014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20759}}^1$

素因数の和:20815

約数の個数: 16

約数和(自身を含む): 32883840

約数和(自身を除く): 13245826

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20759, 41518, 228349, 456698, 892637, 1785274, 9819007, 19638014]

約数ペア:

[(1, 19638014), (2, 9819007), (11, 1785274), (22, 892637), (43, 456698), (86, 228349), (473, 41518), (946, 20759)]