19729472

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1003

約数の個数: 56

約数和(自身を含む): 45744384

約数和(自身を除く): 26014912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 937, 1316, 1504, 1874, 2632, 3008, 3748, 5264, 6559, 7496, 10528, 13118, 14992, 21056, 26236, 29984, 44039, 52472, 59968, 88078, 104944, 176156, 209888, 308273, 352312, 419776, 616546, 704624, 1233092, 1409248, 2466184, 2818496, 4932368, 9864736, 19729472]

約数ペア:

[(1, 19729472), (2, 9864736), (4, 4932368), (7, 2818496), (8, 2466184), (14, 1409248), (16, 1233092), (28, 704624), (32, 616546), (47, 419776), (56, 352312), (64, 308273), (94, 209888), (112, 176156), (188, 104944), (224, 88078), (329, 59968), (376, 52472), (448, 44039), (658, 29984), (752, 26236), (937, 21056), (1316, 14992), (1504, 13118), (1874, 10528), (2632, 7496), (3008, 6559), (3748, 5264)]