2019427445

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3121}}^1$

素因数の和:3298

約数の個数: 48

約数和(自身を含む): 2989627200

約数和(自身を除く): 970199755

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 139, 245, 665, 695, 931, 973, 2641, 3121, 4655, 4865, 6811, 13205, 15605, 18487, 21847, 34055, 59299, 92435, 109235, 129409, 152929, 296495, 415093, 433819, 647045, 764645, 2075465, 2169095, 2905651, 3036733, 8242561, 14528255, 15183665, 21257131, 41212805, 57697927, 106285655, 288489635, 403885489, 2019427445]

約数ペア:

[(1, 2019427445), (5, 403885489), (7, 288489635), (19, 106285655), (35, 57697927), (49, 41212805), (95, 21257131), (133, 15183665), (139, 14528255), (245, 8242561), (665, 3036733), (695, 2905651), (931, 2169095), (973, 2075465), (2641, 764645), (3121, 647045), (4655, 433819), (4865, 415093), (6811, 296495), (13205, 152929), (15605, 129409), (18487, 109235), (21847, 92435), (34055, 59299)]