19501328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1439}}^1$

素因数の和:1476

約数の個数: 60

約数和(自身を含む): 47496960

約数和(自身を除く): 27995632

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1439, 1694, 1936, 2878, 3388, 5756, 6776, 10073, 11512, 13552, 15829, 20146, 23024, 31658, 40292, 63316, 80584, 110803, 126632, 161168, 174119, 221606, 253264, 348238, 443212, 696476, 886424, 1218833, 1392952, 1772848, 2437666, 2785904, 4875332, 9750664, 19501328]

約数ペア:

[(1, 19501328), (2, 9750664), (4, 4875332), (7, 2785904), (8, 2437666), (11, 1772848), (14, 1392952), (16, 1218833), (22, 886424), (28, 696476), (44, 443212), (56, 348238), (77, 253264), (88, 221606), (112, 174119), (121, 161168), (154, 126632), (176, 110803), (242, 80584), (308, 63316), (484, 40292), (616, 31658), (847, 23024), (968, 20146), (1232, 15829), (1439, 13552), (1694, 11512), (1936, 10073), (2878, 6776), (3388, 5756)]