18936297

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 28252224

約数和(自身を除く): 9315927

約数列:

[1, 3, 9, 43, 129, 167, 293, 387, 501, 879, 1503, 2637, 7181, 12599, 21543, 37797, 48931, 64629, 113391, 146793, 440379, 2104033, 6312099, 18936297]

約数ペア:

[(1, 18936297), (3, 6312099), (9, 2104033), (43, 440379), (129, 146793), (167, 113391), (293, 64629), (387, 48931), (501, 37797), (879, 21543), (1503, 12599), (2637, 7181)]