18627760

素因数分解:

$2^4\times 5^1\times {\mathrm{232847}}^1$

素因数の和:232860

約数の個数: 20

約数和(自身を含む): 43309728

約数和(自身を除く): 24681968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232847, 465694, 931388, 1164235, 1862776, 2328470, 3725552, 4656940, 9313880, 18627760]

約数ペア:

[(1, 18627760), (2, 9313880), (4, 4656940), (5, 3725552), (8, 2328470), (10, 1862776), (16, 1164235), (20, 931388), (40, 465694), (80, 232847)]