18986781645

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1\times {\mathrm{4261}}^1$

素因数の和:6827

約数の個数: 64

約数和(自身を含む): 36373612800

約数和(自身を除く): 17386831155

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 2539, 4261, 7617, 12695, 12783, 21305, 22851, 33007, 38085, 38349, 55393, 63915, 68553, 99021, 114255, 115047, 165035, 166179, 191745, 276965, 297063, 342765, 495105, 498537, 575235, 830895, 891189, 1485315, 1495611, 2492685, 4455945, 7478055, 10818679, 32456037, 54093395, 97368111, 140642827, 162280185, 292104333, 421928481, 486840555, 703214135, 1265785443, 1460521665, 2109642405, 3797356329, 6328927215, 18986781645]

約数ペア:

[(1, 18986781645), (3, 6328927215), (5, 3797356329), (9, 2109642405), (13, 1460521665), (15, 1265785443), (27, 703214135), (39, 486840555), (45, 421928481), (65, 292104333), (117, 162280185), (135, 140642827), (195, 97368111), (351, 54093395), (585, 32456037), (1755, 10818679), (2539, 7478055), (4261, 4455945), (7617, 2492685), (12695, 1495611), (12783, 1485315), (21305, 891189), (22851, 830895), (33007, 575235), (38085, 498537), (38349, 495105), (55393, 342765), (63915, 297063), (68553, 276965), (99021, 191745), (114255, 166179), (115047, 165035)]