18135956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3361}}^1$

素因数の和:3455

約数の個数: 24

約数和(自身を含む): 33888960

約数和(自身を除く): 15753004

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3361, 5396, 6722, 13444, 63859, 127718, 238631, 255436, 477262, 954524, 4533989, 9067978, 18135956]

約数ペア:

[(1, 18135956), (2, 9067978), (4, 4533989), (19, 954524), (38, 477262), (71, 255436), (76, 238631), (142, 127718), (284, 63859), (1349, 13444), (2698, 6722), (3361, 5396)]