20181688

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18149}}^1$

素因数の和:18294

約数の個数: 16

約数和(自身を含む): 38115000

約数和(自身を除く): 17933312

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18149, 36298, 72596, 145192, 2522711, 5045422, 10090844, 20181688]

約数ペア:

[(1, 20181688), (2, 10090844), (4, 5045422), (8, 2522711), (139, 145192), (278, 72596), (556, 36298), (1112, 18149)]