18953275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^3$

素因数の和:144

約数の個数: 24

約数和(自身を含む): 26279568

約数和(自身を除く): 7326293

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1681, 2255, 8405, 11275, 18491, 42025, 68921, 92455, 344605, 462275, 758131, 1723025, 3790655, 18953275]

約数ペア:

[(1, 18953275), (5, 3790655), (11, 1723025), (25, 758131), (41, 462275), (55, 344605), (205, 92455), (275, 68921), (451, 42025), (1025, 18491), (1681, 11275), (2255, 8405)]