12778678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1609}}^1$

素因数の和:1660

約数の個数: 24

約数和(自身を含む): 22082760

約数和(自身を除く): 9304082

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 1609, 3218, 3971, 7942, 17699, 30571, 35398, 61142, 336281, 580849, 672562, 1161698, 6389339, 12778678]

約数ペア:

[(1, 12778678), (2, 6389339), (11, 1161698), (19, 672562), (22, 580849), (38, 336281), (209, 61142), (361, 35398), (418, 30571), (722, 17699), (1609, 7942), (3218, 3971)]