18657107

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{929}}^1$

素因数の和:1106

約数の個数: 16

約数和(自身を含む): 22617600

約数和(自身を除く): 3960493

約数列:

[1, 7, 19, 133, 151, 929, 1057, 2869, 6503, 17651, 20083, 123557, 140279, 981953, 2665301, 18657107]

約数ペア:

[(1, 18657107), (7, 2665301), (19, 981953), (133, 140279), (151, 123557), (929, 20083), (1057, 17651), (2869, 6503)]