642386086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{17851}}^1$

素因数の和:18819

約数の個数: 16

約数和(自身を含む): 1015421760

約数和(自身を除く): 373035674

約数列:

[1, 2, 19, 38, 947, 1894, 17851, 17993, 35702, 35986, 339169, 678338, 16904897, 33809794, 321193043, 642386086]

約数ペア:

[(1, 642386086), (2, 321193043), (19, 33809794), (38, 16904897), (947, 678338), (1894, 339169), (17851, 35986), (17993, 35702)]