19315674721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1\times {\mathrm{4219}}^1$

素因数の和:5461

約数の個数: 32

約数和(自身を含む): 24064128000

約数和(自身を除く): 4748453279

約数列:

[1, 7, 19, 29, 133, 203, 551, 1187, 3857, 4219, 8309, 22553, 29533, 34423, 80161, 122351, 157871, 240961, 561127, 654037, 856457, 2324669, 4578259, 5007953, 16272683, 35055671, 95151107, 145230637, 666057749, 1016614459, 2759382103, 19315674721]

約数ペア:

[(1, 19315674721), (7, 2759382103), (19, 1016614459), (29, 666057749), (133, 145230637), (203, 95151107), (551, 35055671), (1187, 16272683), (3857, 5007953), (4219, 4578259), (8309, 2324669), (22553, 856457), (29533, 654037), (34423, 561127), (80161, 240961), (122351, 157871)]