20181208472

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{647}}^1\times {\mathrm{9533}}^1$

素因数の和:10595

約数の個数: 32

約数和(自身を含む): 37994896800

約数和(自身を除く): 17813688328

約数列:

[1, 2, 4, 8, 409, 647, 818, 1294, 1636, 2588, 3272, 5176, 9533, 19066, 38132, 76264, 264623, 529246, 1058492, 2116984, 3898997, 6167851, 7797994, 12335702, 15595988, 24671404, 31191976, 49342808, 2522651059, 5045302118, 10090604236, 20181208472]

約数ペア:

[(1, 20181208472), (2, 10090604236), (4, 5045302118), (8, 2522651059), (409, 49342808), (647, 31191976), (818, 24671404), (1294, 15595988), (1636, 12335702), (2588, 7797994), (3272, 6167851), (5176, 3898997), (9533, 2116984), (19066, 1058492), (38132, 529246), (76264, 264623)]