19172272

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2497

約数の個数: 40

約数和(自身を含む): 43068672

約数和(自身を除く): 23896400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2411, 3976, 4822, 7952, 9644, 16877, 19288, 33754, 38576, 67508, 135016, 171181, 270032, 342362, 684724, 1198267, 1369448, 2396534, 2738896, 4793068, 9586136, 19172272]

約数ペア:

[(1, 19172272), (2, 9586136), (4, 4793068), (7, 2738896), (8, 2396534), (14, 1369448), (16, 1198267), (28, 684724), (56, 342362), (71, 270032), (112, 171181), (142, 135016), (284, 67508), (497, 38576), (568, 33754), (994, 19288), (1136, 16877), (1988, 9644), (2411, 7952), (3976, 4822)]