19143761

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 24600744

約数和(自身を除く): 5456983

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 733, 2009, 3731, 5131, 9529, 26117, 30053, 35917, 66703, 210371, 390689, 466921, 1472597, 2734823, 19143761]

約数ペア:

[(1, 19143761), (7, 2734823), (13, 1472597), (41, 466921), (49, 390689), (91, 210371), (287, 66703), (533, 35917), (637, 30053), (733, 26117), (2009, 9529), (3731, 5131)]