20183128

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1021}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 43414560

約数和(自身を除く): 23231432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 1021, 1412, 2042, 2471, 2824, 4084, 4942, 7147, 8168, 9884, 14294, 19768, 28588, 57176, 360413, 720826, 1441652, 2522891, 2883304, 5045782, 10091564, 20183128]

約数ペア:

[(1, 20183128), (2, 10091564), (4, 5045782), (7, 2883304), (8, 2522891), (14, 1441652), (28, 720826), (56, 360413), (353, 57176), (706, 28588), (1021, 19768), (1412, 14294), (2042, 9884), (2471, 8168), (2824, 7147), (4084, 4942)]