19944895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2053}}^1$

素因数の和:2154

約数の個数: 16

約数和(自身を含む): 25140960

約数和(自身を除く): 5196065

約数列:

[1, 5, 29, 67, 145, 335, 1943, 2053, 9715, 10265, 59537, 137551, 297685, 687755, 3988979, 19944895]

約数ペア:

[(1, 19944895), (5, 3988979), (29, 687755), (67, 297685), (145, 137551), (335, 59537), (1943, 10265), (2053, 9715)]