19553872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94009}}^1$

素因数の和:94030

約数の個数: 20

約数和(自身を含む): 40800340

約数和(自身を除く): 21246468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94009, 188018, 376036, 752072, 1222117, 1504144, 2444234, 4888468, 9776936, 19553872]

約数ペア:

[(1, 19553872), (2, 9776936), (4, 4888468), (8, 2444234), (13, 1504144), (16, 1222117), (26, 752072), (52, 376036), (104, 188018), (208, 94009)]