19031727

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 31132640

約数和(自身を除く): 12100913

約数列:

[1, 3, 11, 13, 33, 37, 39, 109, 111, 121, 143, 327, 363, 407, 429, 481, 1199, 1221, 1417, 1443, 1573, 3597, 4033, 4251, 4477, 4719, 5291, 12099, 13189, 13431, 15587, 15873, 39567, 44363, 46761, 52429, 58201, 133089, 157287, 171457, 174603, 487993, 514371, 576719, 1463979, 1730157, 6343909, 19031727]

約数ペア:

[(1, 19031727), (3, 6343909), (11, 1730157), (13, 1463979), (33, 576719), (37, 514371), (39, 487993), (109, 174603), (111, 171457), (121, 157287), (143, 133089), (327, 58201), (363, 52429), (407, 46761), (429, 44363), (481, 39567), (1199, 15873), (1221, 15587), (1417, 13431), (1443, 13189), (1573, 12099), (3597, 5291), (4033, 4719), (4251, 4477)]