19119321

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 31332224

約数和(自身を除く): 12212903

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 117, 201, 271, 351, 603, 813, 871, 1053, 1809, 2439, 2613, 3523, 5427, 7317, 7839, 10569, 18157, 21951, 23517, 31707, 54471, 70551, 95121, 163413, 236041, 285363, 490239, 708123, 1470717, 2124369, 6373107, 19119321]

約数ペア:

[(1, 19119321), (3, 6373107), (9, 2124369), (13, 1470717), (27, 708123), (39, 490239), (67, 285363), (81, 236041), (117, 163413), (201, 95121), (271, 70551), (351, 54471), (603, 31707), (813, 23517), (871, 21951), (1053, 18157), (1809, 10569), (2439, 7839), (2613, 7317), (3523, 5427)]