18456564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{219721}}^1$

素因数の和:219735

約数の個数: 24

約数和(自身を含む): 49217728

約数和(自身を除く): 30761164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 219721, 439442, 659163, 878884, 1318326, 1538047, 2636652, 3076094, 4614141, 6152188, 9228282, 18456564]

約数ペア:

[(1, 18456564), (2, 9228282), (3, 6152188), (4, 4614141), (6, 3076094), (7, 2636652), (12, 1538047), (14, 1318326), (21, 878884), (28, 659163), (42, 439442), (84, 219721)]