18790107

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47093}}^1$

素因数の和:47122

約数の個数: 16

約数和(自身を含む): 30140160

約数和(自身を除く): 11350053

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 47093, 141279, 329651, 894767, 988953, 2684301, 6263369, 18790107]

約数ペア:

[(1, 18790107), (3, 6263369), (7, 2684301), (19, 988953), (21, 894767), (57, 329651), (133, 141279), (399, 47093)]