18942412

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 34020000

約数和(自身を除く): 15077588

約数列:

[1, 2, 4, 53, 106, 199, 212, 398, 449, 796, 898, 1796, 10547, 21094, 23797, 42188, 47594, 89351, 95188, 178702, 357404, 4735603, 9471206, 18942412]

約数ペア:

[(1, 18942412), (2, 9471206), (4, 4735603), (53, 357404), (106, 178702), (199, 95188), (212, 89351), (398, 47594), (449, 42188), (796, 23797), (898, 21094), (1796, 10547)]