18149680

素因数分解:

$2^4\times 5^1\times {\mathrm{226871}}^1$

素因数の和:226884

約数の個数: 20

約数和(自身を含む): 42198192

約数和(自身を除く): 24048512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226871, 453742, 907484, 1134355, 1814968, 2268710, 3629936, 4537420, 9074840, 18149680]

約数ペア:

[(1, 18149680), (2, 9074840), (4, 4537420), (5, 3629936), (8, 2268710), (10, 1814968), (16, 1134355), (20, 907484), (40, 453742), (80, 226871)]