19811394

素因数分解:

$2^1\times 3^2\times {\mathrm{367}}^1\times {\mathrm{2999}}^1$

素因数の和:3374

約数の個数: 24

約数和(自身を含む): 43056000

約数和(自身を除く): 23244606

約数列:

[1, 2, 3, 6, 9, 18, 367, 734, 1101, 2202, 2999, 3303, 5998, 6606, 8997, 17994, 26991, 53982, 1100633, 2201266, 3301899, 6603798, 9905697, 19811394]

約数ペア:

[(1, 19811394), (2, 9905697), (3, 6603798), (6, 3301899), (9, 2201266), (18, 1100633), (367, 53982), (734, 26991), (1101, 17994), (2202, 8997), (2999, 6606), (3303, 5998)]