19775087143

素因数分解:

$7^2\times {\mathrm{1931}}^1\times {\mathrm{208997}}^1$

素因数の和:210942

約数の個数: 12

約数和(自身を含む): 23015695752

約数和(自身を除く): 3240608609

約数列:

[1, 7, 49, 1931, 13517, 94619, 208997, 1462979, 10240853, 403573207, 2825012449, 19775087143]

約数ペア:

[(1, 19775087143), (7, 2825012449), (49, 403573207), (1931, 10240853), (13517, 1462979), (94619, 208997)]