18896085

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 37850736

約数和(自身を除く): 18954651

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 81, 97, 111, 117, 135, 185, 195, 291, 333, 351, 405, 481, 485, 555, 585, 873, 999, 1053, 1261, 1443, 1455, 1665, 1755, 2405, 2619, 2997, 3589, 3783, 4329, 4365, 4995, 5265, 6305, 7215, 7857, 10767, 11349, 12987, 13095, 14985, 17945, 18915, 21645, 32301, 34047, 38961, 39285, 46657, 53835, 56745, 64935, 96903, 102141, 139971, 161505, 170235, 194805, 233285, 290709, 419913, 484515, 510705, 699855, 1259739, 1453545, 2099565, 3779217, 6298695, 18896085]

約数ペア:

[(1, 18896085), (3, 6298695), (5, 3779217), (9, 2099565), (13, 1453545), (15, 1259739), (27, 699855), (37, 510705), (39, 484515), (45, 419913), (65, 290709), (81, 233285), (97, 194805), (111, 170235), (117, 161505), (135, 139971), (185, 102141), (195, 96903), (291, 64935), (333, 56745), (351, 53835), (405, 46657), (481, 39285), (485, 38961), (555, 34047), (585, 32301), (873, 21645), (999, 18915), (1053, 17945), (1261, 14985), (1443, 13095), (1455, 12987), (1665, 11349), (1755, 10767), (2405, 7857), (2619, 7215), (2997, 6305), (3589, 5265), (3783, 4995), (4329, 4365)]