19924749

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8963}}^1$

素因数の和:9001

約数の個数: 24

約数和(自身を含む): 32628960

約数和(自身を除く): 12704211

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8963, 26889, 80667, 116519, 170297, 349557, 510891, 1048671, 1532673, 2213861, 6641583, 19924749]

約数ペア:

[(1, 19924749), (3, 6641583), (9, 2213861), (13, 1532673), (19, 1048671), (39, 510891), (57, 349557), (117, 170297), (171, 116519), (247, 80667), (741, 26889), (2223, 8963)]