19983777

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14083}}^1$

素因数の和:14140

約数の個数: 16

約数和(自身を含む): 29745408

約数和(自身を除く): 9761631

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14083, 42249, 154913, 464739, 605569, 1816707, 6661259, 19983777]

約数ペア:

[(1, 19983777), (3, 6661259), (11, 1816707), (33, 605569), (43, 464739), (129, 154913), (473, 42249), (1419, 14083)]