18657506

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70141}}^1$

素因数の和:70169

約数の個数: 16

約数和(自身を含む): 33668160

約数和(自身を除く): 15010654

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70141, 140282, 490987, 981974, 1332679, 2665358, 9328753, 18657506]

約数ペア:

[(1, 18657506), (2, 9328753), (7, 2665358), (14, 1332679), (19, 981974), (38, 490987), (133, 140282), (266, 70141)]