19904853

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1741}}^1$

素因数の和:1884

約数の個数: 16

約数和(自身を含む): 27537536

約数和(自身を除く): 7632683

約数列:

[1, 3, 37, 103, 111, 309, 1741, 3811, 5223, 11433, 64417, 179323, 193251, 537969, 6634951, 19904853]

約数ペア:

[(1, 19904853), (3, 6634951), (37, 537969), (103, 193251), (111, 179323), (309, 64417), (1741, 11433), (3811, 5223)]