15938128

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{3203}}^1$

素因数の和:3522

約数の個数: 20

約数和(自身を含む): 30989088

約数和(自身を除く): 15050960

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 3203, 4976, 6406, 12812, 25624, 51248, 996133, 1992266, 3984532, 7969064, 15938128]

約数ペア:

[(1, 15938128), (2, 7969064), (4, 3984532), (8, 1992266), (16, 996133), (311, 51248), (622, 25624), (1244, 12812), (2488, 6406), (3203, 4976)]