19180168

素因数分解:

$2^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 42301980

約数和(自身を除く): 23121812

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 113, 196, 226, 392, 433, 452, 791, 866, 904, 1582, 1732, 3031, 3164, 3464, 5537, 6062, 6328, 11074, 12124, 21217, 22148, 24248, 42434, 44296, 48929, 84868, 97858, 169736, 195716, 342503, 391432, 685006, 1370012, 2397521, 2740024, 4795042, 9590084, 19180168]

約数ペア:

[(1, 19180168), (2, 9590084), (4, 4795042), (7, 2740024), (8, 2397521), (14, 1370012), (28, 685006), (49, 391432), (56, 342503), (98, 195716), (113, 169736), (196, 97858), (226, 84868), (392, 48929), (433, 44296), (452, 42434), (791, 24248), (866, 22148), (904, 21217), (1582, 12124), (1732, 11074), (3031, 6328), (3164, 6062), (3464, 5537)]