18207740

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2579}}^1$

素因数の和:2941

約数の個数: 24

約数和(自身を含む): 38359440

約数和(自身を除く): 20151700

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2579, 3530, 5158, 7060, 10316, 12895, 25790, 51580, 910387, 1820774, 3641548, 4551935, 9103870, 18207740]

約数ペア:

[(1, 18207740), (2, 9103870), (4, 4551935), (5, 3641548), (10, 1820774), (20, 910387), (353, 51580), (706, 25790), (1412, 12895), (1765, 10316), (2579, 7060), (3530, 5158)]