19181185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2132

約数の個数: 16

約数和(自身を含む): 24599376

約数和(自身を除く): 5418191

約数列:

[1, 5, 17, 85, 113, 565, 1921, 1997, 9605, 9985, 33949, 169745, 225661, 1128305, 3836237, 19181185]

約数ペア:

[(1, 19181185), (5, 3836237), (17, 1128305), (85, 225661), (113, 169745), (565, 33949), (1921, 9985), (1997, 9605)]