18261838

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10271}}^1$

素因数の和:10407

約数の個数: 16

約数和(自身を含む): 31555584

約数和(自身を除く): 13293746

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 10271, 20542, 71897, 143794, 1304417, 2608834, 9130919, 18261838]

約数ペア:

[(1, 18261838), (2, 9130919), (7, 2608834), (14, 1304417), (127, 143794), (254, 71897), (889, 20542), (1778, 10271)]