18978318

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{22433}}^1$

素因数の和:22488

約数の個数: 24

約数和(自身を含む): 41996448

約数和(自身を除く): 23018130

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 22433, 44866, 67299, 134598, 201897, 403794, 1054351, 2108702, 3163053, 6326106, 9489159, 18978318]

約数ペア:

[(1, 18978318), (2, 9489159), (3, 6326106), (6, 3163053), (9, 2108702), (18, 1054351), (47, 403794), (94, 201897), (141, 134598), (282, 67299), (423, 44866), (846, 22433)]