19510205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2099}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 27669600

約数和(自身を除く): 8159395

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 2099, 9295, 10495, 23089, 27287, 115445, 136435, 300157, 354731, 1500785, 1773655, 3902041, 19510205]

約数ペア:

[(1, 19510205), (5, 3902041), (11, 1773655), (13, 1500785), (55, 354731), (65, 300157), (143, 136435), (169, 115445), (715, 27287), (845, 23089), (1859, 10495), (2099, 9295)]