19983894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475807}}^1$

素因数の和:475819

約数の個数: 16

約数和(自身を含む): 45677568

約数和(自身を除く): 25693674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475807, 951614, 1427421, 2854842, 3330649, 6661298, 9991947, 19983894]

約数ペア:

[(1, 19983894), (2, 9991947), (3, 6661298), (6, 3330649), (7, 2854842), (14, 1427421), (21, 951614), (42, 475807)]