18771872

素因数分解:

$2^5\times 7^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 42561792

約数和(自身を除く): 23789920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 181, 224, 362, 463, 724, 926, 1267, 1448, 1852, 2534, 2896, 3241, 3704, 5068, 5792, 6482, 7408, 10136, 12964, 14816, 20272, 25928, 40544, 51856, 83803, 103712, 167606, 335212, 586621, 670424, 1173242, 1340848, 2346484, 2681696, 4692968, 9385936, 18771872]

約数ペア:

[(1, 18771872), (2, 9385936), (4, 4692968), (7, 2681696), (8, 2346484), (14, 1340848), (16, 1173242), (28, 670424), (32, 586621), (56, 335212), (112, 167606), (181, 103712), (224, 83803), (362, 51856), (463, 40544), (724, 25928), (926, 20272), (1267, 14816), (1448, 12964), (1852, 10136), (2534, 7408), (2896, 6482), (3241, 5792), (3704, 5068)]