17904929

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 21326208

約数和(自身を除く): 3421279

約数列:

[1, 7, 37, 73, 259, 511, 947, 2701, 6629, 18907, 35039, 69131, 245273, 483917, 2557847, 17904929]

約数ペア:

[(1, 17904929), (7, 2557847), (37, 483917), (73, 245273), (259, 69131), (511, 35039), (947, 18907), (2701, 6629)]