18619188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{221657}}^1$

素因数の和:221671

約数の個数: 24

約数和(自身を含む): 49651392

約数和(自身を除く): 31032204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 221657, 443314, 664971, 886628, 1329942, 1551599, 2659884, 3103198, 4654797, 6206396, 9309594, 18619188]

約数ペア:

[(1, 18619188), (2, 9309594), (3, 6206396), (4, 4654797), (6, 3103198), (7, 2659884), (12, 1551599), (14, 1329942), (21, 886628), (28, 664971), (42, 443314), (84, 221657)]