18280556

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20426644

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 94, 116, 188, 203, 329, 406, 479, 658, 812, 958, 1316, 1363, 1916, 2726, 3353, 5452, 6706, 9541, 13412, 13891, 19082, 22513, 27782, 38164, 45026, 55564, 90052, 97237, 157591, 194474, 315182, 388948, 630364, 652877, 1305754, 2611508, 4570139, 9140278, 18280556]

約数ペア:

[(1, 18280556), (2, 9140278), (4, 4570139), (7, 2611508), (14, 1305754), (28, 652877), (29, 630364), (47, 388948), (58, 315182), (94, 194474), (116, 157591), (188, 97237), (203, 90052), (329, 55564), (406, 45026), (479, 38164), (658, 27782), (812, 22513), (958, 19082), (1316, 13891), (1363, 13412), (1916, 9541), (2726, 6706), (3353, 5452)]