15687664

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{11813}}^1$

素因数の和:11904

約数の個数: 20

約数和(自身を含む): 30763656

約数和(自身を除く): 15075992

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 11813, 23626, 47252, 94504, 189008, 980479, 1960958, 3921916, 7843832, 15687664]

約数ペア:

[(1, 15687664), (2, 7843832), (4, 3921916), (8, 1960958), (16, 980479), (83, 189008), (166, 94504), (332, 47252), (664, 23626), (1328, 11813)]