19408780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42193}}^1$

素因数の和:42225

約数の個数: 24

約数和(自身を含む): 42531552

約数和(自身を除く): 23122772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42193, 84386, 168772, 210965, 421930, 843860, 970439, 1940878, 3881756, 4852195, 9704390, 19408780]

約数ペア:

[(1, 19408780), (2, 9704390), (4, 4852195), (5, 3881756), (10, 1940878), (20, 970439), (23, 843860), (46, 421930), (92, 210965), (115, 168772), (230, 84386), (460, 42193)]