18130900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{7883}}^1$

素因数の和:7920

約数の個数: 36

約数和(自身を含む): 41059872

約数和(自身を除く): 22928972

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 7883, 15766, 31532, 39415, 78830, 157660, 181309, 197075, 362618, 394150, 725236, 788300, 906545, 1813090, 3626180, 4532725, 9065450, 18130900]

約数ペア:

[(1, 18130900), (2, 9065450), (4, 4532725), (5, 3626180), (10, 1813090), (20, 906545), (23, 788300), (25, 725236), (46, 394150), (50, 362618), (92, 197075), (100, 181309), (115, 157660), (230, 78830), (460, 39415), (575, 31532), (1150, 15766), (2300, 7883)]