18339243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 9884757

約数列:

[1, 3, 13, 17, 39, 51, 139, 199, 221, 417, 597, 663, 1807, 2363, 2587, 3383, 5421, 7089, 7761, 10149, 27661, 30719, 43979, 82983, 92157, 131937, 359593, 470237, 1078779, 1410711, 6113081, 18339243]

約数ペア:

[(1, 18339243), (3, 6113081), (13, 1410711), (17, 1078779), (39, 470237), (51, 359593), (139, 131937), (199, 92157), (221, 82983), (417, 43979), (597, 30719), (663, 27661), (1807, 10149), (2363, 7761), (2587, 7089), (3383, 5421)]