19042474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{1999}}^1$

素因数の和:2445

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 12205526

約数列:

[1, 2, 11, 22, 433, 866, 1999, 3998, 4763, 9526, 21989, 43978, 865567, 1731134, 9521237, 19042474]

約数ペア:

[(1, 19042474), (2, 9521237), (11, 1731134), (22, 865567), (433, 43978), (866, 21989), (1999, 9526), (3998, 4763)]