18820254

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{44179}}^1$

素因数の和:44255

約数の個数: 16

約数和(自身を含む): 38171520

約数和(自身を除く): 19351266

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 44179, 88358, 132537, 265074, 3136709, 6273418, 9410127, 18820254]

約数ペア:

[(1, 18820254), (2, 9410127), (3, 6273418), (6, 3136709), (71, 265074), (142, 132537), (213, 88358), (426, 44179)]