18143883

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 26889408

約数和(自身を除く): 8745525

約数列:

[1, 3, 9, 83, 107, 227, 249, 321, 681, 747, 963, 2043, 8881, 18841, 24289, 26643, 56523, 72867, 79929, 169569, 218601, 2015987, 6047961, 18143883]

約数ペア:

[(1, 18143883), (3, 6047961), (9, 2015987), (83, 218601), (107, 169569), (227, 79929), (249, 72867), (321, 56523), (681, 26643), (747, 24289), (963, 18841), (2043, 8881)]