15938872

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{5519}}^1$

素因数の和:5563

約数の個数: 24

約数和(自身を含む): 31546800

約数和(自身を除く): 15607928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 5519, 11038, 22076, 44152, 104861, 209722, 419444, 838888, 1992359, 3984718, 7969436, 15938872]

約数ペア:

[(1, 15938872), (2, 7969436), (4, 3984718), (8, 1992359), (19, 838888), (38, 419444), (76, 209722), (152, 104861), (361, 44152), (722, 22076), (1444, 11038), (2888, 5519)]