15880816

素因数分解:

$2^4\times 7^1\times {\mathrm{141793}}^1$

素因数の和:141808

約数の個数: 20

約数和(自身を含む): 35164912

約数和(自身を除く): 19284096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 141793, 283586, 567172, 992551, 1134344, 1985102, 2268688, 3970204, 7940408, 15880816]

約数ペア:

[(1, 15880816), (2, 7940408), (4, 3970204), (7, 2268688), (8, 1985102), (14, 1134344), (16, 992551), (28, 567172), (56, 283586), (112, 141793)]