18297040

素因数分解:

$2^4\times 5^1\times {\mathrm{228713}}^1$

素因数の和:228726

約数の個数: 20

約数和(自身を含む): 42540804

約数和(自身を除く): 24243764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228713, 457426, 914852, 1143565, 1829704, 2287130, 3659408, 4574260, 9148520, 18297040]

約数ペア:

[(1, 18297040), (2, 9148520), (4, 4574260), (5, 3659408), (8, 2287130), (10, 1829704), (16, 1143565), (20, 914852), (40, 457426), (80, 228713)]