18916923704

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1\times {\mathrm{4211}}^1$

素因数の和:5148

約数の個数: 64

約数和(自身を含む): 41013423360

約数和(自身を除く): 22096499656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 827, 1358, 1654, 2716, 3308, 4211, 5432, 5789, 6616, 8422, 11578, 16844, 23156, 29477, 33688, 46312, 58954, 80219, 117908, 160438, 235816, 320876, 408467, 561533, 641752, 816934, 1123066, 1633868, 2246132, 2859269, 3267736, 3482497, 4492264, 5718538, 6964994, 11437076, 13929988, 22874152, 24377479, 27859976, 48754958, 97509916, 195019832, 337802209, 675604418, 1351208836, 2364615463, 2702417672, 4729230926, 9458461852, 18916923704]

約数ペア:

[(1, 18916923704), (2, 9458461852), (4, 4729230926), (7, 2702417672), (8, 2364615463), (14, 1351208836), (28, 675604418), (56, 337802209), (97, 195019832), (194, 97509916), (388, 48754958), (679, 27859976), (776, 24377479), (827, 22874152), (1358, 13929988), (1654, 11437076), (2716, 6964994), (3308, 5718538), (4211, 4492264), (5432, 3482497), (5789, 3267736), (6616, 2859269), (8422, 2246132), (11578, 1633868), (16844, 1123066), (23156, 816934), (29477, 641752), (33688, 561533), (46312, 408467), (58954, 320876), (80219, 235816), (117908, 160438)]