18961468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{719}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 35078400

約数和(自身を除く): 16116932

約数列:

[1, 2, 4, 19, 38, 76, 347, 694, 719, 1388, 1438, 2876, 6593, 13186, 13661, 26372, 27322, 54644, 249493, 498986, 997972, 4740367, 9480734, 18961468]

約数ペア:

[(1, 18961468), (2, 9480734), (4, 4740367), (19, 997972), (38, 498986), (76, 249493), (347, 54644), (694, 27322), (719, 26372), (1388, 13661), (1438, 13186), (2876, 6593)]