19942978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{3583}}^1$

素因数の和:3630

約数の個数: 24

約数和(自身を含む): 34320384

約数和(自身を除く): 14377406

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 2783, 3583, 5566, 7166, 39413, 78826, 82409, 164818, 433543, 867086, 906499, 1812998, 9971489, 19942978]

約数ペア:

[(1, 19942978), (2, 9971489), (11, 1812998), (22, 906499), (23, 867086), (46, 433543), (121, 164818), (242, 82409), (253, 78826), (506, 39413), (2783, 7166), (3583, 5566)]