2018907947

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{18223}}^1$

素因数の和:18280

約数の個数: 32

約数和(自身を含む): 2624256000

約数和(自身を除く): 605348053

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 343, 833, 931, 2261, 5831, 6517, 15827, 18223, 110789, 127561, 309791, 346237, 892927, 2168537, 2423659, 5886029, 6250489, 15179759, 16965613, 41202203, 106258313, 118759291, 288415421, 2018907947]

約数ペア:

[(1, 2018907947), (7, 288415421), (17, 118759291), (19, 106258313), (49, 41202203), (119, 16965613), (133, 15179759), (323, 6250489), (343, 5886029), (833, 2423659), (931, 2168537), (2261, 892927), (5831, 346237), (6517, 309791), (15827, 127561), (18223, 110789)]