19963814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 36033984

約数和(自身を除く): 16070170

約数列:

[1, 2, 13, 17, 26, 31, 34, 47, 62, 94, 221, 403, 442, 527, 611, 799, 806, 961, 1054, 1222, 1457, 1598, 1922, 2914, 6851, 10387, 12493, 13702, 16337, 18941, 20774, 24769, 24986, 32674, 37882, 45167, 49538, 90334, 212381, 321997, 424762, 587171, 643994, 767839, 1174342, 1535678, 9981907, 19963814]

約数ペア:

[(1, 19963814), (2, 9981907), (13, 1535678), (17, 1174342), (26, 767839), (31, 643994), (34, 587171), (47, 424762), (62, 321997), (94, 212381), (221, 90334), (403, 49538), (442, 45167), (527, 37882), (611, 32674), (799, 24986), (806, 24769), (961, 20774), (1054, 18941), (1222, 16337), (1457, 13702), (1598, 12493), (1922, 10387), (2914, 6851)]