19820815

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6823}}^1$

素因数の和:6918

約数の個数: 16

約数和(自身を含む): 27514368

約数和(自身を除く): 7693553

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 6823, 34115, 47761, 238805, 566309, 2831545, 3964163, 19820815]

約数ペア:

[(1, 19820815), (5, 3964163), (7, 2831545), (35, 566309), (83, 238805), (415, 47761), (581, 34115), (2905, 6823)]