18490043

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 23181312

約数和(自身を除く): 4691269

約数列:

[1, 11, 13, 31, 43, 97, 143, 341, 403, 473, 559, 1067, 1261, 1333, 3007, 4171, 4433, 6149, 13871, 14663, 17329, 33077, 39091, 45881, 54223, 129301, 190619, 430001, 596453, 1422311, 1680913, 18490043]

約数ペア:

[(1, 18490043), (11, 1680913), (13, 1422311), (31, 596453), (43, 430001), (97, 190619), (143, 129301), (341, 54223), (403, 45881), (473, 39091), (559, 33077), (1067, 17329), (1261, 14663), (1333, 13871), (3007, 6149), (4171, 4433)]