18323019

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 32497920

約数和(自身を除く): 14174901

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 619, 759, 897, 1287, 1857, 2277, 2691, 3289, 5571, 6809, 8047, 9867, 14237, 20427, 24141, 29601, 42711, 61281, 72423, 88517, 128133, 156607, 185081, 265551, 469821, 555243, 796653, 1409463, 1665729, 2035891, 6107673, 18323019]

約数ペア:

[(1, 18323019), (3, 6107673), (9, 2035891), (11, 1665729), (13, 1409463), (23, 796653), (33, 555243), (39, 469821), (69, 265551), (99, 185081), (117, 156607), (143, 128133), (207, 88517), (253, 72423), (299, 61281), (429, 42711), (619, 29601), (759, 24141), (897, 20427), (1287, 14237), (1857, 9867), (2277, 8047), (2691, 6809), (3289, 5571)]