19179728

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16421}}^1$

素因数の和:16502

約数の個数: 20

約数和(自身を含む): 37672068

約数和(自身を除く): 18492340

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16421, 32842, 65684, 131368, 262736, 1198733, 2397466, 4794932, 9589864, 19179728]

約数ペア:

[(1, 19179728), (2, 9589864), (4, 4794932), (8, 2397466), (16, 1198733), (73, 262736), (146, 131368), (292, 65684), (584, 32842), (1168, 16421)]