19113872

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{29137}}^1$

素因数の和:29186

約数の個数: 20

約数和(自身を含む): 37937676

約数和(自身を除く): 18823804

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 29137, 58274, 116548, 233096, 466192, 1194617, 2389234, 4778468, 9556936, 19113872]

約数ペア:

[(1, 19113872), (2, 9556936), (4, 4778468), (8, 2389234), (16, 1194617), (41, 466192), (82, 233096), (164, 116548), (328, 58274), (656, 29137)]