18421948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1949}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 34398000

約数和(自身を除く): 15976052

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 1949, 2363, 3898, 4726, 7796, 9452, 33133, 66266, 132532, 270911, 541822, 1083644, 4605487, 9210974, 18421948]

約数ペア:

[(1, 18421948), (2, 9210974), (4, 4605487), (17, 1083644), (34, 541822), (68, 270911), (139, 132532), (278, 66266), (556, 33133), (1949, 9452), (2363, 7796), (3898, 4726)]