18536740

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2671}}^1$

素因数の和:3027

約数の個数: 24

約数和(自身を含む): 39053952

約数和(自身を除く): 20517212

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2671, 3470, 5342, 6940, 10684, 13355, 26710, 53420, 926837, 1853674, 3707348, 4634185, 9268370, 18536740]

約数ペア:

[(1, 18536740), (2, 9268370), (4, 4634185), (5, 3707348), (10, 1853674), (20, 926837), (347, 53420), (694, 26710), (1388, 13355), (1735, 10684), (2671, 6940), (3470, 5342)]