18920694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 45480960

約数和(自身を除く): 26560266

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 442, 494, 646, 663, 741, 751, 969, 1326, 1482, 1502, 1938, 2253, 4199, 4506, 8398, 9763, 12597, 12767, 14269, 19526, 25194, 25534, 28538, 29289, 38301, 42807, 58578, 76602, 85614, 165971, 185497, 242573, 331942, 370994, 485146, 497913, 556491, 727719, 995826, 1112982, 1455438, 3153449, 6306898, 9460347, 18920694]

約数ペア:

[(1, 18920694), (2, 9460347), (3, 6306898), (6, 3153449), (13, 1455438), (17, 1112982), (19, 995826), (26, 727719), (34, 556491), (38, 497913), (39, 485146), (51, 370994), (57, 331942), (78, 242573), (102, 185497), (114, 165971), (221, 85614), (247, 76602), (323, 58578), (442, 42807), (494, 38301), (646, 29289), (663, 28538), (741, 25534), (751, 25194), (969, 19526), (1326, 14269), (1482, 12767), (1502, 12597), (1938, 9763), (2253, 8398), (4199, 4506)]