18458420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40127}}^1$

素因数の和:40159

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 21990604

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40127, 80254, 160508, 200635, 401270, 802540, 922921, 1845842, 3691684, 4614605, 9229210, 18458420]

約数ペア:

[(1, 18458420), (2, 9229210), (4, 4614605), (5, 3691684), (10, 1845842), (20, 922921), (23, 802540), (46, 401270), (92, 200635), (115, 160508), (230, 80254), (460, 40127)]