19493072

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3511}}^1$

素因数の和:3866

約数の個数: 20

約数和(自身を含む): 37887456

約数和(自身を除く): 18394384

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3511, 5552, 7022, 14044, 28088, 56176, 1218317, 2436634, 4873268, 9746536, 19493072]

約数ペア:

[(1, 19493072), (2, 9746536), (4, 4873268), (8, 2436634), (16, 1218317), (347, 56176), (694, 28088), (1388, 14044), (2776, 7022), (3511, 5552)]