18188548

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20518652

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 179, 191, 266, 358, 382, 532, 716, 764, 1253, 1337, 2506, 2674, 3401, 3629, 5012, 5348, 6802, 7258, 13604, 14516, 23807, 25403, 34189, 47614, 50806, 68378, 95228, 101612, 136756, 239323, 478646, 649591, 957292, 1299182, 2598364, 4547137, 9094274, 18188548]

約数ペア:

[(1, 18188548), (2, 9094274), (4, 4547137), (7, 2598364), (14, 1299182), (19, 957292), (28, 649591), (38, 478646), (76, 239323), (133, 136756), (179, 101612), (191, 95228), (266, 68378), (358, 50806), (382, 47614), (532, 34189), (716, 25403), (764, 23807), (1253, 14516), (1337, 13604), (2506, 7258), (2674, 6802), (3401, 5348), (3629, 5012)]