205514982

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1$

素因数の和:2959

約数の個数: 80

約数和(自身を含む): 505992960

約数和(自身を除く): 300477978

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 81, 114, 138, 162, 171, 207, 342, 414, 437, 513, 621, 874, 1026, 1242, 1311, 1539, 1863, 2622, 2903, 3078, 3726, 3933, 5806, 7866, 8709, 11799, 17418, 23598, 26127, 35397, 52254, 55157, 66769, 70794, 78381, 110314, 133538, 156762, 165471, 200307, 235143, 330942, 400614, 470286, 496413, 600921, 992826, 1201842, 1268611, 1489239, 1802763, 2537222, 2978478, 3605526, 3805833, 4467717, 5408289, 7611666, 8935434, 10816578, 11417499, 22834998, 34252497, 68504994, 102757491, 205514982]

約数ペア:

[(1, 205514982), (2, 102757491), (3, 68504994), (6, 34252497), (9, 22834998), (18, 11417499), (19, 10816578), (23, 8935434), (27, 7611666), (38, 5408289), (46, 4467717), (54, 3805833), (57, 3605526), (69, 2978478), (81, 2537222), (114, 1802763), (138, 1489239), (162, 1268611), (171, 1201842), (207, 992826), (342, 600921), (414, 496413), (437, 470286), (513, 400614), (621, 330942), (874, 235143), (1026, 200307), (1242, 165471), (1311, 156762), (1539, 133538), (1863, 110314), (2622, 78381), (2903, 70794), (3078, 66769), (3726, 55157), (3933, 52254), (5806, 35397), (7866, 26127), (8709, 23598), (11799, 17418)]