19815894

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7489}}^1$

素因数の和:7514

約数の個数: 48

約数和(自身を含む): 51231600

約数和(自身を除く): 31415706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7489, 14978, 22467, 44934, 52423, 67401, 104846, 134802, 157269, 202203, 314538, 366961, 404406, 471807, 733922, 943614, 1100883, 1415421, 2201766, 2830842, 3302649, 6605298, 9907947, 19815894]

約数ペア:

[(1, 19815894), (2, 9907947), (3, 6605298), (6, 3302649), (7, 2830842), (9, 2201766), (14, 1415421), (18, 1100883), (21, 943614), (27, 733922), (42, 471807), (49, 404406), (54, 366961), (63, 314538), (98, 202203), (126, 157269), (147, 134802), (189, 104846), (294, 67401), (378, 52423), (441, 44934), (882, 22467), (1323, 14978), (2646, 7489)]