18027128

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3617}}^1$

素因数の和:3719

約数の個数: 32

約数和(自身を含む): 39074400

約数和(自身を除く): 21047272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3617, 4984, 7234, 14468, 25319, 28936, 50638, 101276, 202552, 321913, 643826, 1287652, 2253391, 2575304, 4506782, 9013564, 18027128]

約数ペア:

[(1, 18027128), (2, 9013564), (4, 4506782), (7, 2575304), (8, 2253391), (14, 1287652), (28, 643826), (56, 321913), (89, 202552), (178, 101276), (356, 50638), (623, 28936), (712, 25319), (1246, 14468), (2492, 7234), (3617, 4984)]