19621385

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6299}}^1$

素因数の和:6400

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 7594615

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6299, 31495, 44093, 220465, 560611, 2803055, 3924277, 19621385]

約数ペア:

[(1, 19621385), (5, 3924277), (7, 2803055), (35, 560611), (89, 220465), (445, 44093), (623, 31495), (3115, 6299)]