15494620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 33392520

約数和(自身を除く): 17897900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 419, 430, 838, 860, 1676, 1849, 2095, 3698, 4190, 7396, 8380, 9245, 18017, 18490, 36034, 36980, 72068, 90085, 180170, 360340, 774731, 1549462, 3098924, 3873655, 7747310, 15494620]

約数ペア:

[(1, 15494620), (2, 7747310), (4, 3873655), (5, 3098924), (10, 1549462), (20, 774731), (43, 360340), (86, 180170), (172, 90085), (215, 72068), (419, 36980), (430, 36034), (838, 18490), (860, 18017), (1676, 9245), (1849, 8380), (2095, 7396), (3698, 4190)]