18838256

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17573}}^1$

素因数の和:17648

約数の個数: 20

約数和(自身を含む): 37045992

約数和(自身を除く): 18207736

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17573, 35146, 70292, 140584, 281168, 1177391, 2354782, 4709564, 9419128, 18838256]

約数ペア:

[(1, 18838256), (2, 9419128), (4, 4709564), (8, 2354782), (16, 1177391), (67, 281168), (134, 140584), (268, 70292), (536, 35146), (1072, 17573)]