19145391

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 26395104

約数和(自身を除く): 7249713

約数列:

[1, 3, 37, 111, 173, 519, 997, 2991, 6401, 19203, 36889, 110667, 172481, 517443, 6381797, 19145391]

約数ペア:

[(1, 19145391), (3, 6381797), (37, 517443), (111, 172481), (173, 110667), (519, 36889), (997, 19203), (2991, 6401)]