18459340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40129}}^1$

素因数の和:40161

約数の個数: 24

約数和(自身を含む): 40451040

約数和(自身を除く): 21991700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40129, 80258, 160516, 200645, 401290, 802580, 922967, 1845934, 3691868, 4614835, 9229670, 18459340]

約数ペア:

[(1, 18459340), (2, 9229670), (4, 4614835), (5, 3691868), (10, 1845934), (20, 922967), (23, 802580), (46, 401290), (92, 200645), (115, 160516), (230, 80258), (460, 40129)]