1920919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 32

約数和(自身を含む): 2741760

約数和(自身を除く): 820841

約数列:

[1, 7, 11, 13, 19, 77, 91, 101, 133, 143, 209, 247, 707, 1001, 1111, 1313, 1463, 1729, 1919, 2717, 7777, 9191, 13433, 14443, 19019, 21109, 24947, 101101, 147763, 174629, 274417, 1920919]

約数ペア:

[(1, 1920919), (7, 274417), (11, 174629), (13, 147763), (19, 101101), (77, 24947), (91, 21109), (101, 19019), (133, 14443), (143, 13433), (209, 9191), (247, 7777), (707, 2717), (1001, 1919), (1111, 1729), (1313, 1463)]