18970302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{243209}}^1$

素因数の和:243227

約数の個数: 16

約数和(自身を含む): 40859280

約数和(自身を除く): 21888978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 243209, 486418, 729627, 1459254, 3161717, 6323434, 9485151, 18970302]

約数ペア:

[(1, 18970302), (2, 9485151), (3, 6323434), (6, 3161717), (13, 1459254), (26, 729627), (39, 486418), (78, 243209)]