17808371

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2087}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 21648384

約数和(自身を除く): 3840013

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2087, 8533, 14609, 48001, 110611, 336007, 774277, 2544053, 17808371]

約数ペア:

[(1, 17808371), (7, 2544053), (23, 774277), (53, 336007), (161, 110611), (371, 48001), (1219, 14609), (2087, 8533)]