19874002

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:705

約数の個数: 16

約数和(自身を含む): 30260160

約数和(自身を除く): 10386158

約数列:

[1, 2, 157, 167, 314, 334, 379, 758, 26219, 52438, 59503, 63293, 119006, 126586, 9937001, 19874002]

約数ペア:

[(1, 19874002), (2, 9937001), (157, 126586), (167, 119006), (314, 63293), (334, 59503), (379, 52438), (758, 26219)]