20197819

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 22210848

約数和(自身を除く): 2013029

約数列:

[1, 17, 37, 163, 197, 629, 2771, 3349, 6031, 7289, 32111, 102527, 123913, 545887, 1188107, 20197819]

約数ペア:

[(1, 20197819), (17, 1188107), (37, 545887), (163, 123913), (197, 102527), (629, 32111), (2771, 7289), (3349, 6031)]