19210303

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6427}}^1$

素因数の和:6502

約数の個数: 12

約数和(自身を含む): 22716552

約数和(自身を除く): 3506249

約数列:

[1, 7, 49, 61, 427, 2989, 6427, 44989, 314923, 392047, 2744329, 19210303]

約数ペア:

[(1, 19210303), (7, 2744329), (49, 392047), (61, 314923), (427, 44989), (2989, 6427)]