18864314

素因数分解:

$2^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 33436800

約数和(自身を除く): 14572486

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 257, 343, 514, 686, 749, 1498, 1799, 3598, 5243, 10486, 12593, 25186, 27499, 36701, 54998, 73402, 88151, 176302, 192493, 384986, 1347451, 2694902, 9432157, 18864314]

約数ペア:

[(1, 18864314), (2, 9432157), (7, 2694902), (14, 1347451), (49, 384986), (98, 192493), (107, 176302), (214, 88151), (257, 73402), (343, 54998), (514, 36701), (686, 27499), (749, 25186), (1498, 12593), (1799, 10486), (3598, 5243)]