19560177

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 37632000

約数和(自身を除く): 18071823

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 419, 513, 741, 819, 1197, 1257, 1729, 2223, 2457, 2933, 3591, 3771, 5187, 5447, 6669, 7961, 8799, 11313, 15561, 16341, 23883, 26397, 38129, 46683, 49023, 55727, 71649, 79191, 103493, 114387, 147069, 167181, 214947, 310479, 343161, 501543, 724451, 931437, 1029483, 1504629, 2173353, 2794311, 6520059, 19560177]

約数ペア:

[(1, 19560177), (3, 6520059), (7, 2794311), (9, 2173353), (13, 1504629), (19, 1029483), (21, 931437), (27, 724451), (39, 501543), (57, 343161), (63, 310479), (91, 214947), (117, 167181), (133, 147069), (171, 114387), (189, 103493), (247, 79191), (273, 71649), (351, 55727), (399, 49023), (419, 46683), (513, 38129), (741, 26397), (819, 23883), (1197, 16341), (1257, 15561), (1729, 11313), (2223, 8799), (2457, 7961), (2933, 6669), (3591, 5447), (3771, 5187)]