17881516

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 32634000

約数和(自身を除く): 14752484

約数列:

[1, 2, 4, 29, 58, 116, 139, 278, 556, 1109, 2218, 4031, 4436, 8062, 16124, 32161, 64322, 128644, 154151, 308302, 616604, 4470379, 8940758, 17881516]

約数ペア:

[(1, 17881516), (2, 8940758), (4, 4470379), (29, 616604), (58, 308302), (116, 154151), (139, 128644), (278, 64322), (556, 32161), (1109, 16124), (2218, 8062), (4031, 4436)]