18590187

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3499}}^1$

素因数の和:3543

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13665813

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 3499, 5313, 10497, 24493, 38489, 73479, 80477, 115467, 241431, 269423, 563339, 808269, 885247, 1690017, 2655741, 6196729, 18590187]

約数ペア:

[(1, 18590187), (3, 6196729), (7, 2655741), (11, 1690017), (21, 885247), (23, 808269), (33, 563339), (69, 269423), (77, 241431), (161, 115467), (231, 80477), (253, 73479), (483, 38489), (759, 24493), (1771, 10497), (3499, 5313)]