19633516

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1046

約数の個数: 36

約数和(自身を含む): 40378800

約数和(自身を除く): 20745284

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 919, 1526, 1838, 3052, 3676, 5341, 6433, 10682, 12866, 21364, 25732, 45031, 90062, 100171, 180124, 200342, 400684, 701197, 1402394, 2804788, 4908379, 9816758, 19633516]

約数ペア:

[(1, 19633516), (2, 9816758), (4, 4908379), (7, 2804788), (14, 1402394), (28, 701197), (49, 400684), (98, 200342), (109, 180124), (196, 100171), (218, 90062), (436, 45031), (763, 25732), (919, 21364), (1526, 12866), (1838, 10682), (3052, 6433), (3676, 5341)]