18889600178

素因数分解:

$2^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1\times {\mathrm{79979}}^1$

素因数の和:80689

約数の個数: 16

約数和(自身を含む): 28504872000

約数和(自身を除く): 9615271822

約数列:

[1, 2, 269, 439, 538, 878, 79979, 118091, 159958, 236182, 21514351, 35110781, 43028702, 70221562, 9444800089, 18889600178]

約数ペア:

[(1, 18889600178), (2, 9444800089), (269, 70221562), (439, 43028702), (538, 35110781), (878, 21514351), (79979, 236182), (118091, 159958)]