18529636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{509}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 34272000

約数和(自身を除く): 15742364

約数列:

[1, 2, 4, 19, 38, 76, 479, 509, 958, 1018, 1916, 2036, 9101, 9671, 18202, 19342, 36404, 38684, 243811, 487622, 975244, 4632409, 9264818, 18529636]

約数ペア:

[(1, 18529636), (2, 9264818), (4, 4632409), (19, 975244), (38, 487622), (76, 243811), (479, 38684), (509, 36404), (958, 19342), (1018, 18202), (1916, 9671), (2036, 9101)]