18033880

素因数分解:

$2^3\times 5^1\times {\mathrm{450847}}^1$

素因数の和:450858

約数の個数: 16

約数和(自身を含む): 40576320

約数和(自身を除く): 22542440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 450847, 901694, 1803388, 2254235, 3606776, 4508470, 9016940, 18033880]

約数ペア:

[(1, 18033880), (2, 9016940), (4, 4508470), (5, 3606776), (8, 2254235), (10, 1803388), (20, 901694), (40, 450847)]