15903824

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{7151}}^1$

素因数の和:7298

約数の個数: 20

約数和(自身を含む): 31039680

約数和(自身を除く): 15135856

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 7151, 14302, 28604, 57208, 114416, 993989, 1987978, 3975956, 7951912, 15903824]

約数ペア:

[(1, 15903824), (2, 7951912), (4, 3975956), (8, 1987978), (16, 993989), (139, 114416), (278, 57208), (556, 28604), (1112, 14302), (2224, 7151)]