19959888949

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1049471}}^1$

素因数の和:1049521

約数の個数: 32

約数和(自身を含む): 28209807360

約数和(自身を除く): 8249918411

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 19019, 1049471, 7346297, 11544181, 13643123, 19939949, 80809267, 95501861, 139579643, 150074353, 219339439, 259219337, 1050520471, 1535376073, 1814535359, 2851412707, 19959888949]

約数ペア:

[(1, 19959888949), (7, 2851412707), (11, 1814535359), (13, 1535376073), (19, 1050520471), (77, 259219337), (91, 219339439), (133, 150074353), (143, 139579643), (209, 95501861), (247, 80809267), (1001, 19939949), (1463, 13643123), (1729, 11544181), (2717, 7346297), (19019, 1049471)]