1216943996

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{842759}}^1$

素因数の和:842801

約数の個数: 18

約数和(自身を含む): 2247640920

約数和(自身を除く): 1030696924

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 842759, 1685518, 3371036, 16012421, 32024842, 64049684, 304235999, 608471998, 1216943996]

約数ペア:

[(1, 1216943996), (2, 608471998), (4, 304235999), (19, 64049684), (38, 32024842), (76, 16012421), (361, 3371036), (722, 1685518), (1444, 842759)]