19953850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 43354368

約数和(自身を除く): 23400518

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1213, 1645, 2350, 2426, 3290, 6065, 8225, 8491, 12130, 16450, 16982, 30325, 42455, 57011, 60650, 84910, 114022, 212275, 285055, 399077, 424550, 570110, 798154, 1425275, 1995385, 2850550, 3990770, 9976925, 19953850]

約数ペア:

[(1, 19953850), (2, 9976925), (5, 3990770), (7, 2850550), (10, 1995385), (14, 1425275), (25, 798154), (35, 570110), (47, 424550), (50, 399077), (70, 285055), (94, 212275), (175, 114022), (235, 84910), (329, 60650), (350, 57011), (470, 42455), (658, 30325), (1175, 16982), (1213, 16450), (1645, 12130), (2350, 8491), (2426, 8225), (3290, 6065)]