25840418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1549}}^1$

素因数の和:2009

約数の個数: 16

約数和(自身を含む): 40920000

約数和(自身を除く): 15079582

約数列:

[1, 2, 19, 38, 439, 878, 1549, 3098, 8341, 16682, 29431, 58862, 680011, 1360022, 12920209, 25840418]

約数ペア:

[(1, 25840418), (2, 12920209), (19, 1360022), (38, 680011), (439, 58862), (878, 29431), (1549, 16682), (3098, 8341)]