18434840

素因数分解:

$2^3\times 5^1\times {\mathrm{460871}}^1$

素因数の和:460882

約数の個数: 16

約数和(自身を含む): 41478480

約数和(自身を除く): 23043640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460871, 921742, 1843484, 2304355, 3686968, 4608710, 9217420, 18434840]

約数ペア:

[(1, 18434840), (2, 9217420), (4, 4608710), (5, 3686968), (8, 2304355), (10, 1843484), (20, 921742), (40, 460871)]