18940216

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{5393}}^1$

素因数の和:5838

約数の個数: 16

約数和(自身を含む): 35600400

約数和(自身を除く): 16660184

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 5393, 10786, 21572, 43144, 2367527, 4735054, 9470108, 18940216]

約数ペア:

[(1, 18940216), (2, 9470108), (4, 4735054), (8, 2367527), (439, 43144), (878, 21572), (1756, 10786), (3512, 5393)]