18866852

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 34003200

約数和(自身を除く): 15136348

約数列:

[1, 2, 4, 43, 86, 172, 229, 458, 479, 916, 958, 1916, 9847, 19694, 20597, 39388, 41194, 82388, 109691, 219382, 438764, 4716713, 9433426, 18866852]

約数ペア:

[(1, 18866852), (2, 9433426), (4, 4716713), (43, 438764), (86, 219382), (172, 109691), (229, 82388), (458, 41194), (479, 39388), (916, 20597), (958, 19694), (1916, 9847)]