15639856

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{11777}}^1$

素因数の和:11868

約数の個数: 20

約数和(自身を含む): 30669912

約数和(自身を除く): 15030056

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 11777, 23554, 47108, 94216, 188432, 977491, 1954982, 3909964, 7819928, 15639856]

約数ペア:

[(1, 15639856), (2, 7819928), (4, 3909964), (8, 1954982), (16, 977491), (83, 188432), (166, 94216), (332, 47108), (664, 23554), (1328, 11777)]