18886049

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2843}}^1$

素因数の和:2936

約数の個数: 16

約数和(自身を含む): 23571072

約数和(自身を除く): 4685023

約数列:

[1, 7, 13, 73, 91, 511, 949, 2843, 6643, 19901, 36959, 207539, 258713, 1452773, 2698007, 18886049]

約数ペア:

[(1, 18886049), (7, 2698007), (13, 1452773), (73, 258713), (91, 207539), (511, 36959), (949, 19901), (2843, 6643)]