18804340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40879}}^1$

素因数の和:40911

約数の個数: 24

約数和(自身を含む): 41207040

約数和(自身を除く): 22402700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40879, 81758, 163516, 204395, 408790, 817580, 940217, 1880434, 3760868, 4701085, 9402170, 18804340]

約数ペア:

[(1, 18804340), (2, 9402170), (4, 4701085), (5, 3760868), (10, 1880434), (20, 940217), (23, 817580), (46, 408790), (92, 204395), (115, 163516), (230, 81758), (460, 40879)]