18871105130

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43886291}}^1$

素因数の和:43886341

約数の個数: 16

約数和(自身を含む): 34757943264

約数和(自身を除く): 15886838134

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 43886291, 87772582, 219431455, 438862910, 1887110513, 3774221026, 9435552565, 18871105130]

約数ペア:

[(1, 18871105130), (2, 9435552565), (5, 3774221026), (10, 1887110513), (43, 438862910), (86, 219431455), (215, 87772582), (430, 43886291)]