18998888

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{5641}}^1$

素因数の和:6068

約数の個数: 16

約数和(自身を含む): 35713860

約数和(自身を除く): 16714972

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 5641, 11282, 22564, 45128, 2374861, 4749722, 9499444, 18998888]

約数ペア:

[(1, 18998888), (2, 9499444), (4, 4749722), (8, 2374861), (421, 45128), (842, 22564), (1684, 11282), (3368, 5641)]