18775016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2473}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 38445960

約数和(自身を除く): 19670944

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2473, 3796, 4946, 7592, 9892, 19784, 32149, 64298, 128596, 180529, 257192, 361058, 722116, 1444232, 2346877, 4693754, 9387508, 18775016]

約数ペア:

[(1, 18775016), (2, 9387508), (4, 4693754), (8, 2346877), (13, 1444232), (26, 722116), (52, 361058), (73, 257192), (104, 180529), (146, 128596), (292, 64298), (584, 32149), (949, 19784), (1898, 9892), (2473, 7592), (3796, 4946)]