19578776

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1117}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 42126240

約数和(自身を除く): 22547464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1117, 1252, 2191, 2234, 2504, 4382, 4468, 7819, 8764, 8936, 15638, 17528, 31276, 62552, 349621, 699242, 1398484, 2447347, 2796968, 4894694, 9789388, 19578776]

約数ペア:

[(1, 19578776), (2, 9789388), (4, 4894694), (7, 2796968), (8, 2447347), (14, 1398484), (28, 699242), (56, 349621), (313, 62552), (626, 31276), (1117, 17528), (1252, 15638), (2191, 8936), (2234, 8764), (2504, 7819), (4382, 4468)]