19443900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 65995776

約数和(自身を除く): 46551876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 47, 50, 60, 70, 75, 84, 94, 100, 105, 140, 141, 150, 175, 188, 197, 210, 235, 282, 300, 329, 350, 394, 420, 470, 525, 564, 591, 658, 700, 705, 788, 940, 985, 987, 1050, 1175, 1182, 1316, 1379, 1410, 1645, 1970, 1974, 2100, 2350, 2364, 2758, 2820, 2955, 3290, 3525, 3940, 3948, 4137, 4700, 4925, 4935, 5516, 5910, 6580, 6895, 7050, 8225, 8274, 9259, 9850, 9870, 11820, 13790, 14100, 14775, 16450, 16548, 18518, 19700, 19740, 20685, 24675, 27580, 27777, 29550, 32900, 34475, 37036, 41370, 46295, 49350, 55554, 59100, 64813, 68950, 82740, 92590, 98700, 103425, 111108, 129626, 137900, 138885, 185180, 194439, 206850, 231475, 259252, 277770, 324065, 388878, 413700, 462950, 555540, 648130, 694425, 777756, 925900, 972195, 1296260, 1388850, 1620325, 1944390, 2777700, 3240650, 3888780, 4860975, 6481300, 9721950, 19443900]

約数ペア:

[(1, 19443900), (2, 9721950), (3, 6481300), (4, 4860975), (5, 3888780), (6, 3240650), (7, 2777700), (10, 1944390), (12, 1620325), (14, 1388850), (15, 1296260), (20, 972195), (21, 925900), (25, 777756), (28, 694425), (30, 648130), (35, 555540), (42, 462950), (47, 413700), (50, 388878), (60, 324065), (70, 277770), (75, 259252), (84, 231475), (94, 206850), (100, 194439), (105, 185180), (140, 138885), (141, 137900), (150, 129626), (175, 111108), (188, 103425), (197, 98700), (210, 92590), (235, 82740), (282, 68950), (300, 64813), (329, 59100), (350, 55554), (394, 49350), (420, 46295), (470, 41370), (525, 37036), (564, 34475), (591, 32900), (658, 29550), (700, 27777), (705, 27580), (788, 24675), (940, 20685), (985, 19740), (987, 19700), (1050, 18518), (1175, 16548), (1182, 16450), (1316, 14775), (1379, 14100), (1410, 13790), (1645, 11820), (1970, 9870), (1974, 9850), (2100, 9259), (2350, 8274), (2364, 8225), (2758, 7050), (2820, 6895), (2955, 6580), (3290, 5910), (3525, 5516), (3940, 4935), (3948, 4925), (4137, 4700)]