19489041

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 34856640

約数和(自身を除く): 15367599

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 797, 1287, 1881, 2223, 2391, 2717, 7173, 8151, 8767, 10361, 15143, 24453, 26301, 31083, 45429, 78903, 93249, 113971, 136287, 166573, 196859, 341913, 499719, 590577, 1025739, 1499157, 1771731, 2165449, 6496347, 19489041]

約数ペア:

[(1, 19489041), (3, 6496347), (9, 2165449), (11, 1771731), (13, 1499157), (19, 1025739), (33, 590577), (39, 499719), (57, 341913), (99, 196859), (117, 166573), (143, 136287), (171, 113971), (209, 93249), (247, 78903), (429, 45429), (627, 31083), (741, 26301), (797, 24453), (1287, 15143), (1881, 10361), (2223, 8767), (2391, 8151), (2717, 7173)]