18896668

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1021}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 37887584

約数和(自身を除く): 18990916

約数列:

[1, 2, 4, 7, 14, 28, 661, 1021, 1322, 2042, 2644, 4084, 4627, 7147, 9254, 14294, 18508, 28588, 674881, 1349762, 2699524, 4724167, 9448334, 18896668]

約数ペア:

[(1, 18896668), (2, 9448334), (4, 4724167), (7, 2699524), (14, 1349762), (28, 674881), (661, 28588), (1021, 18508), (1322, 14294), (2042, 9254), (2644, 7147), (4084, 4627)]