19369749

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 33291648

約数和(自身を除く): 13921899

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 147, 161, 337, 357, 391, 483, 833, 1011, 1127, 1173, 2359, 2499, 2737, 3381, 5729, 7077, 7751, 8211, 16513, 17187, 19159, 23253, 40103, 49539, 54257, 57477, 120309, 131767, 162771, 280721, 379799, 395301, 842163, 922369, 1139397, 2767107, 6456583, 19369749]

約数ペア:

[(1, 19369749), (3, 6456583), (7, 2767107), (17, 1139397), (21, 922369), (23, 842163), (49, 395301), (51, 379799), (69, 280721), (119, 162771), (147, 131767), (161, 120309), (337, 57477), (357, 54257), (391, 49539), (483, 40103), (833, 23253), (1011, 19159), (1127, 17187), (1173, 16513), (2359, 8211), (2499, 7751), (2737, 7077), (3381, 5729)]