19940954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39409}}^1$

素因数の和:39445

約数の個数: 16

約数和(自身を含む): 34050240

約数和(自身を除く): 14109286

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39409, 78818, 433499, 866998, 906407, 1812814, 9970477, 19940954]

約数ペア:

[(1, 19940954), (2, 9970477), (11, 1812814), (22, 906407), (23, 866998), (46, 433499), (253, 78818), (506, 39409)]