18732219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 27986112

約数和(自身を除く): 9253893

約数列:

[1, 3, 11, 33, 43, 129, 307, 473, 921, 1419, 1849, 3377, 5547, 10131, 13201, 20339, 39603, 61017, 145211, 435633, 567643, 1702929, 6244073, 18732219]

約数ペア:

[(1, 18732219), (3, 6244073), (11, 1702929), (33, 567643), (43, 435633), (129, 145211), (307, 61017), (473, 39603), (921, 20339), (1419, 13201), (1849, 10131), (3377, 5547)]