19591299

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 17099901

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1259, 1729, 2223, 3777, 5187, 8813, 11331, 15561, 16367, 23921, 26439, 49101, 71763, 79317, 114569, 147303, 167447, 215289, 310973, 343707, 502341, 932919, 1031121, 1507023, 2176811, 2798757, 6530433, 19591299]

約数ペア:

[(1, 19591299), (3, 6530433), (7, 2798757), (9, 2176811), (13, 1507023), (19, 1031121), (21, 932919), (39, 502341), (57, 343707), (63, 310973), (91, 215289), (117, 167447), (133, 147303), (171, 114569), (247, 79317), (273, 71763), (399, 49101), (741, 26439), (819, 23921), (1197, 16367), (1259, 15561), (1729, 11331), (2223, 8813), (3777, 5187)]