18789715966

素因数分解:

$2^1\times 7^1\times {\mathrm{2087}}^1\times {\mathrm{643087}}^1$

素因数の和:645183

約数の個数: 16

約数和(自身を含む): 32226425856

約数和(自身を除く): 13436709890

約数列:

[1, 2, 7, 14, 2087, 4174, 14609, 29218, 643087, 1286174, 4501609, 9003218, 1342122569, 2684245138, 9394857983, 18789715966]

約数ペア:

[(1, 18789715966), (2, 9394857983), (7, 2684245138), (14, 1342122569), (2087, 9003218), (4174, 4501609), (14609, 1286174), (29218, 643087)]