18861388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51817}}^1$

素因数の和:51841

約数の個数: 24

約数和(自身を含む): 40625312

約数和(自身を除く): 21763924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51817, 103634, 207268, 362719, 673621, 725438, 1347242, 1450876, 2694484, 4715347, 9430694, 18861388]

約数ペア:

[(1, 18861388), (2, 9430694), (4, 4715347), (7, 2694484), (13, 1450876), (14, 1347242), (26, 725438), (28, 673621), (52, 362719), (91, 207268), (182, 103634), (364, 51817)]