18486678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{440159}}^1$

素因数の和:440171

約数の個数: 16

約数和(自身を含む): 42255360

約数和(自身を除く): 23768682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 440159, 880318, 1320477, 2640954, 3081113, 6162226, 9243339, 18486678]

約数ペア:

[(1, 18486678), (2, 9243339), (3, 6162226), (6, 3081113), (7, 2640954), (14, 1320477), (21, 880318), (42, 440159)]