19779361

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1171}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 24002560

約数和(自身を除く): 4223199

約数列:

[1, 7, 19, 127, 133, 889, 1171, 2413, 8197, 16891, 22249, 148717, 155743, 1041019, 2825623, 19779361]

約数ペア:

[(1, 19779361), (7, 2825623), (19, 1041019), (127, 155743), (133, 148717), (889, 22249), (1171, 16891), (2413, 8197)]