31412018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{3491}}^1$

素因数の和:3913

約数の個数: 16

約数和(自身を含む): 51541920

約数和(自身を除く): 20129902

約数列:

[1, 2, 11, 22, 409, 818, 3491, 4499, 6982, 8998, 38401, 76802, 1427819, 2855638, 15706009, 31412018]

約数ペア:

[(1, 31412018), (2, 15706009), (11, 2855638), (22, 1427819), (409, 76802), (818, 38401), (3491, 8998), (4499, 6982)]