18102640

素因数分解:

$2^4\times 5^1\times {\mathrm{226283}}^1$

素因数の和:226296

約数の個数: 20

約数和(自身を含む): 42088824

約数和(自身を除く): 23986184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226283, 452566, 905132, 1131415, 1810264, 2262830, 3620528, 4525660, 9051320, 18102640]

約数ペア:

[(1, 18102640), (2, 9051320), (4, 4525660), (5, 3620528), (8, 2262830), (10, 1810264), (16, 1131415), (20, 905132), (40, 452566), (80, 226283)]