1980996848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6516437}}^1$

素因数の和:6516464

約数の個数: 20

約数和(自身を含む): 4040191560

約数和(自身を除く): 2059194712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6516437, 13032874, 26065748, 52131496, 104262992, 123812303, 247624606, 495249212, 990498424, 1980996848]

約数ペア:

[(1, 1980996848), (2, 990498424), (4, 495249212), (8, 247624606), (16, 123812303), (19, 104262992), (38, 52131496), (76, 26065748), (152, 13032874), (304, 6516437)]