15639664

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{18443}}^1$

素因数の和:18504

約数の個数: 20

約数和(自身を含む): 30875256

約数和(自身を除く): 15235592

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 18443, 36886, 73772, 147544, 295088, 977479, 1954958, 3909916, 7819832, 15639664]

約数ペア:

[(1, 15639664), (2, 7819832), (4, 3909916), (8, 1954958), (16, 977479), (53, 295088), (106, 147544), (212, 73772), (424, 36886), (848, 18443)]