19105005

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1987}}^1$

素因数の和:2636

約数の個数: 16

約数和(自身を含む): 30631104

約数和(自身を除く): 11526099

約数列:

[1, 3, 5, 15, 641, 1923, 1987, 3205, 5961, 9615, 9935, 29805, 1273667, 3821001, 6368335, 19105005]

約数ペア:

[(1, 19105005), (3, 6368335), (5, 3821001), (15, 1273667), (641, 29805), (1923, 9935), (1987, 9615), (3205, 5961)]