2019517825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{23627}}^1$

素因数の和:23913

約数の個数: 24

約数和(自身を含む): 2707201728

約数和(自身を除く): 687683903

約数列:

[1, 5, 13, 25, 65, 263, 325, 1315, 3419, 6575, 17095, 23627, 85475, 118135, 307151, 590675, 1535755, 6213901, 7678775, 31069505, 80780713, 155347525, 403903565, 2019517825]

約数ペア:

[(1, 2019517825), (5, 403903565), (13, 155347525), (25, 80780713), (65, 31069505), (263, 7678775), (325, 6213901), (1315, 1535755), (3419, 590675), (6575, 307151), (17095, 118135), (23627, 85475)]