19111131

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8597}}^1$

素因数の和:8635

約数の個数: 24

約数和(自身を含む): 31296720

約数和(自身を除く): 12185589

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8597, 25791, 77373, 111761, 163343, 335283, 490029, 1005849, 1470087, 2123459, 6370377, 19111131]

約数ペア:

[(1, 19111131), (3, 6370377), (9, 2123459), (13, 1470087), (19, 1005849), (39, 490029), (57, 335283), (117, 163343), (171, 111761), (247, 77373), (741, 25791), (2223, 8597)]