18549680

素因数分解:

$2^4\times 5^1\times {\mathrm{231871}}^1$

素因数の和:231884

約数の個数: 20

約数和(自身を含む): 43128192

約数和(自身を除く): 24578512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231871, 463742, 927484, 1159355, 1854968, 2318710, 3709936, 4637420, 9274840, 18549680]

約数ペア:

[(1, 18549680), (2, 9274840), (4, 4637420), (5, 3709936), (8, 2318710), (10, 1854968), (16, 1159355), (20, 927484), (40, 463742), (80, 231871)]