19558968

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 59270400

約数和(自身を除く): 39711432

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 41, 44, 52, 66, 78, 82, 88, 104, 123, 132, 139, 143, 156, 164, 246, 264, 278, 286, 312, 328, 417, 429, 451, 492, 533, 556, 572, 834, 858, 902, 984, 1066, 1112, 1144, 1353, 1529, 1599, 1668, 1716, 1804, 1807, 2132, 2706, 3058, 3198, 3336, 3432, 3608, 3614, 4264, 4587, 5412, 5421, 5699, 5863, 6116, 6396, 7228, 9174, 10824, 10842, 11398, 11726, 12232, 12792, 14456, 17097, 17589, 18348, 19877, 21684, 22796, 23452, 34194, 35178, 36696, 39754, 43368, 45592, 46904, 59631, 62689, 68388, 70356, 74087, 79508, 119262, 125378, 136776, 140712, 148174, 159016, 188067, 222261, 238524, 250756, 296348, 376134, 444522, 477048, 501512, 592696, 752268, 814957, 889044, 1504536, 1629914, 1778088, 2444871, 3259828, 4889742, 6519656, 9779484, 19558968]

約数ペア:

[(1, 19558968), (2, 9779484), (3, 6519656), (4, 4889742), (6, 3259828), (8, 2444871), (11, 1778088), (12, 1629914), (13, 1504536), (22, 889044), (24, 814957), (26, 752268), (33, 592696), (39, 501512), (41, 477048), (44, 444522), (52, 376134), (66, 296348), (78, 250756), (82, 238524), (88, 222261), (104, 188067), (123, 159016), (132, 148174), (139, 140712), (143, 136776), (156, 125378), (164, 119262), (246, 79508), (264, 74087), (278, 70356), (286, 68388), (312, 62689), (328, 59631), (417, 46904), (429, 45592), (451, 43368), (492, 39754), (533, 36696), (556, 35178), (572, 34194), (834, 23452), (858, 22796), (902, 21684), (984, 19877), (1066, 18348), (1112, 17589), (1144, 17097), (1353, 14456), (1529, 12792), (1599, 12232), (1668, 11726), (1716, 11398), (1804, 10842), (1807, 10824), (2132, 9174), (2706, 7228), (3058, 6396), (3198, 6116), (3336, 5863), (3432, 5699), (3608, 5421), (3614, 5412), (4264, 4587)]