19581100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2543}}^1$

素因数の和:2575

約数の個数: 72

約数和(自身を含む): 52996608

約数和(自身を除く): 33415508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2543, 3850, 5086, 7700, 10172, 12715, 17801, 25430, 27973, 35602, 50860, 55946, 63575, 71204, 89005, 111892, 127150, 139865, 178010, 195811, 254300, 279730, 356020, 391622, 445025, 559460, 699325, 783244, 890050, 979055, 1398650, 1780100, 1958110, 2797300, 3916220, 4895275, 9790550, 19581100]

約数ペア:

[(1, 19581100), (2, 9790550), (4, 4895275), (5, 3916220), (7, 2797300), (10, 1958110), (11, 1780100), (14, 1398650), (20, 979055), (22, 890050), (25, 783244), (28, 699325), (35, 559460), (44, 445025), (50, 391622), (55, 356020), (70, 279730), (77, 254300), (100, 195811), (110, 178010), (140, 139865), (154, 127150), (175, 111892), (220, 89005), (275, 71204), (308, 63575), (350, 55946), (385, 50860), (550, 35602), (700, 27973), (770, 25430), (1100, 17801), (1540, 12715), (1925, 10172), (2543, 7700), (3850, 5086)]