19919188

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 35546112

約数和(自身を除く): 15626924

約数列:

[1, 2, 4, 113, 127, 226, 254, 347, 452, 508, 694, 1388, 14351, 28702, 39211, 44069, 57404, 78422, 88138, 156844, 176276, 4979797, 9959594, 19919188]

約数ペア:

[(1, 19919188), (2, 9959594), (4, 4979797), (113, 176276), (127, 156844), (226, 88138), (254, 78422), (347, 57404), (452, 44069), (508, 39211), (694, 28702), (1388, 14351)]