19825136

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2797}}^1$

素因数の和:3248

約数の個数: 20

約数和(自身を含む): 38511672

約数和(自身を除く): 18686536

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2797, 3544, 5594, 7088, 11188, 22376, 44752, 1239071, 2478142, 4956284, 9912568, 19825136]

約数ペア:

[(1, 19825136), (2, 9912568), (4, 4956284), (8, 2478142), (16, 1239071), (443, 44752), (886, 22376), (1772, 11188), (2797, 7088), (3544, 5594)]