19208385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 40612416

約数和(自身を除く): 21404031

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 211, 255, 289, 315, 357, 595, 633, 765, 867, 1055, 1071, 1445, 1477, 1785, 1899, 2023, 2601, 3165, 3587, 4335, 4431, 5355, 6069, 7385, 9495, 10115, 10761, 13005, 13293, 17935, 18207, 22155, 25109, 30345, 32283, 53805, 60979, 66465, 75327, 91035, 125545, 161415, 182937, 225981, 304895, 376635, 426853, 548811, 914685, 1129905, 1280559, 2134265, 2744055, 3841677, 6402795, 19208385]

約数ペア:

[(1, 19208385), (3, 6402795), (5, 3841677), (7, 2744055), (9, 2134265), (15, 1280559), (17, 1129905), (21, 914685), (35, 548811), (45, 426853), (51, 376635), (63, 304895), (85, 225981), (105, 182937), (119, 161415), (153, 125545), (211, 91035), (255, 75327), (289, 66465), (315, 60979), (357, 53805), (595, 32283), (633, 30345), (765, 25109), (867, 22155), (1055, 18207), (1071, 17935), (1445, 13293), (1477, 13005), (1785, 10761), (1899, 10115), (2023, 9495), (2601, 7385), (3165, 6069), (3587, 5355), (4335, 4431)]