19215724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6151}}^1$

素因数の和:6237

約数の個数: 24

約数和(自身を含む): 37207296

約数和(自身を除く): 17991572

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6151, 12302, 24604, 67661, 135322, 270644, 436721, 873442, 1746884, 4803931, 9607862, 19215724]

約数ペア:

[(1, 19215724), (2, 9607862), (4, 4803931), (11, 1746884), (22, 873442), (44, 436721), (71, 270644), (142, 135322), (284, 67661), (781, 24604), (1562, 12302), (3124, 6151)]