19718944

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1873}}^1$

素因数の和:1937

約数の個数: 48

約数和(自身を含む): 45335808

約数和(自身を除く): 25616864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 224, 329, 376, 658, 752, 1316, 1504, 1873, 2632, 3746, 5264, 7492, 10528, 13111, 14984, 26222, 29968, 52444, 59936, 88031, 104888, 176062, 209776, 352124, 419552, 616217, 704248, 1232434, 1408496, 2464868, 2816992, 4929736, 9859472, 19718944]

約数ペア:

[(1, 19718944), (2, 9859472), (4, 4929736), (7, 2816992), (8, 2464868), (14, 1408496), (16, 1232434), (28, 704248), (32, 616217), (47, 419552), (56, 352124), (94, 209776), (112, 176062), (188, 104888), (224, 88031), (329, 59936), (376, 52444), (658, 29968), (752, 26222), (1316, 14984), (1504, 13111), (1873, 10528), (2632, 7492), (3746, 5264)]