19404700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1499

約数の個数: 72

約数和(自身を含む): 50691200

約数和(自身を除く): 31286500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1459, 1900, 2660, 2918, 3325, 5836, 6650, 7295, 10213, 13300, 14590, 20426, 27721, 29180, 36475, 40852, 51065, 55442, 72950, 102130, 110884, 138605, 145900, 194047, 204260, 255325, 277210, 388094, 510650, 554420, 693025, 776188, 970235, 1021300, 1386050, 1940470, 2772100, 3880940, 4851175, 9702350, 19404700]

約数ペア:

[(1, 19404700), (2, 9702350), (4, 4851175), (5, 3880940), (7, 2772100), (10, 1940470), (14, 1386050), (19, 1021300), (20, 970235), (25, 776188), (28, 693025), (35, 554420), (38, 510650), (50, 388094), (70, 277210), (76, 255325), (95, 204260), (100, 194047), (133, 145900), (140, 138605), (175, 110884), (190, 102130), (266, 72950), (350, 55442), (380, 51065), (475, 40852), (532, 36475), (665, 29180), (700, 27721), (950, 20426), (1330, 14590), (1459, 13300), (1900, 10213), (2660, 7295), (2918, 6650), (3325, 5836)]