19247248

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16943}}^1$

素因数の和:17022

約数の個数: 20

約数和(自身を含む): 37819008

約数和(自身を除く): 18571760

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16943, 33886, 67772, 135544, 271088, 1202953, 2405906, 4811812, 9623624, 19247248]

約数ペア:

[(1, 19247248), (2, 9623624), (4, 4811812), (8, 2405906), (16, 1202953), (71, 271088), (142, 135544), (284, 67772), (568, 33886), (1136, 16943)]