18478636

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:622

約数の個数: 36

約数和(自身を含む): 36100456

約数和(自身を除く): 17621820

約数列:

[1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 523, 803, 1046, 1606, 2092, 3212, 5753, 8833, 11506, 17666, 23012, 35332, 38179, 63283, 76358, 126566, 152716, 253132, 419969, 839938, 1679876, 4619659, 9239318, 18478636]

約数ペア:

[(1, 18478636), (2, 9239318), (4, 4619659), (11, 1679876), (22, 839938), (44, 419969), (73, 253132), (121, 152716), (146, 126566), (242, 76358), (292, 63283), (484, 38179), (523, 35332), (803, 23012), (1046, 17666), (1606, 11506), (2092, 8833), (3212, 5753)]