18990448

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20117}}^1$

素因数の和:20184

約数の個数: 20

約数和(自身を含む): 37419480

約数和(自身を除く): 18429032

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20117, 40234, 80468, 160936, 321872, 1186903, 2373806, 4747612, 9495224, 18990448]

約数ペア:

[(1, 18990448), (2, 9495224), (4, 4747612), (8, 2373806), (16, 1186903), (59, 321872), (118, 160936), (236, 80468), (472, 40234), (944, 20117)]