19965828

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{21061}}^1$

素因数の和:21147

約数の個数: 24

約数和(自身を含む): 47178880

約数和(自身を除く): 27213052

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 21061, 42122, 63183, 84244, 126366, 252732, 1663819, 3327638, 4991457, 6655276, 9982914, 19965828]

約数ペア:

[(1, 19965828), (2, 9982914), (3, 6655276), (4, 4991457), (6, 3327638), (12, 1663819), (79, 252732), (158, 126366), (237, 84244), (316, 63183), (474, 42122), (948, 21061)]