18804555

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:108

約数の個数: 112

約数和(自身を含む): 42810624

約数和(自身を除く): 24006069

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 67, 77, 81, 99, 105, 135, 165, 189, 201, 231, 243, 297, 315, 335, 385, 405, 469, 495, 567, 603, 693, 729, 737, 891, 945, 1005, 1155, 1215, 1407, 1485, 1701, 1809, 2079, 2211, 2345, 2673, 2835, 3015, 3465, 3645, 3685, 4221, 4455, 5103, 5159, 5427, 6237, 6633, 7035, 8019, 8505, 9045, 10395, 11055, 12663, 13365, 15477, 16281, 18711, 19899, 21105, 25515, 25795, 27135, 31185, 33165, 37989, 40095, 46431, 48843, 56133, 59697, 63315, 77385, 81405, 93555, 99495, 113967, 139293, 179091, 189945, 232155, 244215, 280665, 298485, 341901, 417879, 537273, 569835, 696465, 895455, 1253637, 1709505, 2089395, 2686365, 3760911, 6268185, 18804555]

約数ペア:

[(1, 18804555), (3, 6268185), (5, 3760911), (7, 2686365), (9, 2089395), (11, 1709505), (15, 1253637), (21, 895455), (27, 696465), (33, 569835), (35, 537273), (45, 417879), (55, 341901), (63, 298485), (67, 280665), (77, 244215), (81, 232155), (99, 189945), (105, 179091), (135, 139293), (165, 113967), (189, 99495), (201, 93555), (231, 81405), (243, 77385), (297, 63315), (315, 59697), (335, 56133), (385, 48843), (405, 46431), (469, 40095), (495, 37989), (567, 33165), (603, 31185), (693, 27135), (729, 25795), (737, 25515), (891, 21105), (945, 19899), (1005, 18711), (1155, 16281), (1215, 15477), (1407, 13365), (1485, 12663), (1701, 11055), (1809, 10395), (2079, 9045), (2211, 8505), (2345, 8019), (2673, 7035), (2835, 6633), (3015, 6237), (3465, 5427), (3645, 5159), (3685, 5103), (4221, 4455)]