18864280

素因数分解:

$2^3\times 5^1\times {\mathrm{471607}}^1$

素因数の和:471618

約数の個数: 16

約数和(自身を含む): 42444720

約数和(自身を除く): 23580440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471607, 943214, 1886428, 2358035, 3772856, 4716070, 9432140, 18864280]

約数ペア:

[(1, 18864280), (2, 9432140), (4, 4716070), (5, 3772856), (8, 2358035), (10, 1886428), (20, 943214), (40, 471607)]