19969506

素因数分解:

$2^1\times 3^2\times {\mathrm{719}}^1\times {\mathrm{1543}}^1$

素因数の和:2270

約数の個数: 24

約数和(自身を含む): 43355520

約数和(自身を除く): 23386014

約数列:

[1, 2, 3, 6, 9, 18, 719, 1438, 1543, 2157, 3086, 4314, 4629, 6471, 9258, 12942, 13887, 27774, 1109417, 2218834, 3328251, 6656502, 9984753, 19969506]

約数ペア:

[(1, 19969506), (2, 9984753), (3, 6656502), (6, 3328251), (9, 2218834), (18, 1109417), (719, 27774), (1438, 13887), (1543, 12942), (2157, 9258), (3086, 6471), (4314, 4629)]