19520915

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2207}}^1$

素因数の和:2302

約数の個数: 16

約数和(自身を含む): 24641280

約数和(自身を除く): 5120365

約数列:

[1, 5, 29, 61, 145, 305, 1769, 2207, 8845, 11035, 64003, 134627, 320015, 673135, 3904183, 19520915]

約数ペア:

[(1, 19520915), (5, 3904183), (29, 673135), (61, 320015), (145, 134627), (305, 64003), (1769, 11035), (2207, 8845)]