18747135

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 35856288

約数和(自身を除く): 17109153

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 313, 363, 495, 605, 939, 1089, 1331, 1565, 1815, 2817, 3443, 3993, 4695, 5445, 6655, 10329, 11979, 14085, 17215, 19965, 30987, 37873, 51645, 59895, 113619, 154935, 189365, 340857, 416603, 568095, 1249809, 1704285, 2083015, 3749427, 6249045, 18747135]

約数ペア:

[(1, 18747135), (3, 6249045), (5, 3749427), (9, 2083015), (11, 1704285), (15, 1249809), (33, 568095), (45, 416603), (55, 340857), (99, 189365), (121, 154935), (165, 113619), (313, 59895), (363, 51645), (495, 37873), (605, 30987), (939, 19965), (1089, 17215), (1331, 14085), (1565, 11979), (1815, 10329), (2817, 6655), (3443, 5445), (3993, 4695)]