18364412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 37202760

約数和(自身を除く): 18838348

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 1997, 2299, 3994, 4598, 7988, 9196, 21967, 37943, 43934, 75886, 87868, 151772, 241637, 417373, 483274, 834746, 966548, 1669492, 4591103, 9182206, 18364412]

約数ペア:

[(1, 18364412), (2, 9182206), (4, 4591103), (11, 1669492), (19, 966548), (22, 834746), (38, 483274), (44, 417373), (76, 241637), (121, 151772), (209, 87868), (242, 75886), (418, 43934), (484, 37943), (836, 21967), (1997, 9196), (2299, 7988), (3994, 4598)]