18281680

素因数分解:

$2^4\times 5^1\times {\mathrm{228521}}^1$

素因数の和:228534

約数の個数: 20

約数和(自身を含む): 42505092

約数和(自身を除く): 24223412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228521, 457042, 914084, 1142605, 1828168, 2285210, 3656336, 4570420, 9140840, 18281680]

約数ペア:

[(1, 18281680), (2, 9140840), (4, 4570420), (5, 3656336), (8, 2285210), (10, 1828168), (16, 1142605), (20, 914084), (40, 457042), (80, 228521)]