19782112

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1879}}^1$

素因数の和:1943

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 25698848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 224, 329, 376, 658, 752, 1316, 1504, 1879, 2632, 3758, 5264, 7516, 10528, 13153, 15032, 26306, 30064, 52612, 60128, 88313, 105224, 176626, 210448, 353252, 420896, 618191, 706504, 1236382, 1413008, 2472764, 2826016, 4945528, 9891056, 19782112]

約数ペア:

[(1, 19782112), (2, 9891056), (4, 4945528), (7, 2826016), (8, 2472764), (14, 1413008), (16, 1236382), (28, 706504), (32, 618191), (47, 420896), (56, 353252), (94, 210448), (112, 176626), (188, 105224), (224, 88313), (329, 60128), (376, 52612), (658, 30064), (752, 26306), (1316, 15032), (1504, 13153), (1879, 10528), (2632, 7516), (3758, 5264)]