19725968745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{907567}}^1$

素因数の和:907611

約数の個数: 64

約数和(自身を含む): 41820733440

約数和(自身を除く): 22094764695

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 945, 1035, 1449, 2415, 3105, 4347, 7245, 21735, 907567, 2722701, 4537835, 6352969, 8168103, 13613505, 19058907, 20874041, 24504309, 31764845, 40840515, 57176721, 62622123, 95294535, 104370205, 122521545, 146118287, 171530163, 187866369, 285883605, 313110615, 438354861, 563599107, 730591435, 857650815, 939331845, 1315064583, 2191774305, 2817995535, 3945193749, 6575322915, 19725968745]

約数ペア:

[(1, 19725968745), (3, 6575322915), (5, 3945193749), (7, 2817995535), (9, 2191774305), (15, 1315064583), (21, 939331845), (23, 857650815), (27, 730591435), (35, 563599107), (45, 438354861), (63, 313110615), (69, 285883605), (105, 187866369), (115, 171530163), (135, 146118287), (161, 122521545), (189, 104370205), (207, 95294535), (315, 62622123), (345, 57176721), (483, 40840515), (621, 31764845), (805, 24504309), (945, 20874041), (1035, 19058907), (1449, 13613505), (2415, 8168103), (3105, 6352969), (4347, 4537835), (7245, 2722701), (21735, 907567)]