19604656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64489}}^1$

素因数の和:64516

約数の個数: 20

約数和(自身を含む): 39983800

約数和(自身を除く): 20379144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64489, 128978, 257956, 515912, 1031824, 1225291, 2450582, 4901164, 9802328, 19604656]

約数ペア:

[(1, 19604656), (2, 9802328), (4, 4901164), (8, 2450582), (16, 1225291), (19, 1031824), (38, 515912), (76, 257956), (152, 128978), (304, 64489)]