19593145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 28103040

約数和(自身を除く): 8509895

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 335, 409, 715, 737, 871, 2045, 3685, 4355, 4499, 5317, 9581, 22495, 26585, 27403, 47905, 58487, 137015, 292435, 301433, 356239, 1507165, 1781195, 3918629, 19593145]

約数ペア:

[(1, 19593145), (5, 3918629), (11, 1781195), (13, 1507165), (55, 356239), (65, 301433), (67, 292435), (143, 137015), (335, 58487), (409, 47905), (715, 27403), (737, 26585), (871, 22495), (2045, 9581), (3685, 5317), (4355, 4499)]