18820249007

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{2099}}^1\times {\mathrm{75347}}^1$

素因数の和:77470

約数の個数: 16

約数和(自身を含む): 22785235200

約数和(自身を除く): 3964986193

約数列:

[1, 7, 17, 119, 2099, 14693, 35683, 75347, 249781, 527429, 1280899, 8966293, 158153353, 1107073471, 2688607001, 18820249007]

約数ペア:

[(1, 18820249007), (7, 2688607001), (17, 1107073471), (119, 158153353), (2099, 8966293), (14693, 1280899), (35683, 527429), (75347, 249781)]