18169255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 24772608

約数和(自身を除く): 6603353

約数列:

[1, 5, 13, 31, 65, 71, 127, 155, 355, 403, 635, 923, 1651, 2015, 2201, 3937, 4615, 8255, 9017, 11005, 19685, 28613, 45085, 51181, 117221, 143065, 255905, 279527, 586105, 1397635, 3633851, 18169255]

約数ペア:

[(1, 18169255), (5, 3633851), (13, 1397635), (31, 586105), (65, 279527), (71, 255905), (127, 143065), (155, 117221), (355, 51181), (403, 45085), (635, 28613), (923, 19685), (1651, 11005), (2015, 9017), (2201, 8255), (3937, 4615)]