18080419

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2029}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 22086400

約数和(自身を除く): 4005981

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2029, 8911, 14203, 38551, 135943, 269857, 951601, 2582917, 18080419]

約数ペア:

[(1, 18080419), (7, 2582917), (19, 951601), (67, 269857), (133, 135943), (469, 38551), (1273, 14203), (2029, 8911)]