1873220

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 3960600

約数和(自身を除く): 2087380

約数列:

[1, 2, 4, 5, 10, 20, 229, 409, 458, 818, 916, 1145, 1636, 2045, 2290, 4090, 4580, 8180, 93661, 187322, 374644, 468305, 936610, 1873220]

約数ペア:

[(1, 1873220), (2, 936610), (4, 468305), (5, 374644), (10, 187322), (20, 93661), (229, 8180), (409, 4580), (458, 4090), (818, 2290), (916, 2045), (1145, 1636)]