2019403771

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1380317}}^1$

素因数の和:1380354

約数の個数: 16

約数和(自身を含む): 2650210560

約数和(自身を除く): 630806789

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 1380317, 9662219, 15183487, 26226023, 106284409, 183582161, 288486253, 2019403771]

約数ペア:

[(1, 2019403771), (7, 288486253), (11, 183582161), (19, 106284409), (77, 26226023), (133, 15183487), (209, 9662219), (1463, 1380317)]