19860484

素因数分解:

$2^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1072

約数の個数: 36

約数和(自身を含む): 40851216

約数和(自身を除く): 20990732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 196, 214, 428, 749, 947, 1498, 1894, 2996, 3788, 5243, 6629, 10486, 13258, 20972, 26516, 46403, 92806, 101329, 185612, 202658, 405316, 709303, 1418606, 2837212, 4965121, 9930242, 19860484]

約数ペア:

[(1, 19860484), (2, 9930242), (4, 4965121), (7, 2837212), (14, 1418606), (28, 709303), (49, 405316), (98, 202658), (107, 185612), (196, 101329), (214, 92806), (428, 46403), (749, 26516), (947, 20972), (1498, 13258), (1894, 10486), (2996, 6629), (3788, 5243)]