18376880

素因数分解:

$2^4\times 5^1\times {\mathrm{229711}}^1$

素因数の和:229724

約数の個数: 20

約数和(自身を含む): 42726432

約数和(自身を除く): 24349552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229711, 459422, 918844, 1148555, 1837688, 2297110, 3675376, 4594220, 9188440, 18376880]

約数ペア:

[(1, 18376880), (2, 9188440), (4, 4594220), (5, 3675376), (8, 2297110), (10, 1837688), (16, 1148555), (20, 918844), (40, 459422), (80, 229711)]