18814160

素因数分解:

$2^4\times 5^1\times {\mathrm{235177}}^1$

素因数の和:235190

約数の個数: 20

約数和(自身を含む): 43743108

約数和(自身を除く): 24928948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 235177, 470354, 940708, 1175885, 1881416, 2351770, 3762832, 4703540, 9407080, 18814160]

約数ペア:

[(1, 18814160), (2, 9407080), (4, 4703540), (5, 3762832), (8, 2351770), (10, 1881416), (16, 1175885), (20, 940708), (40, 470354), (80, 235177)]