19819653

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^2\times {\mathrm{137}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 30792768

約数和(自身を除く): 10973115

約数列:

[1, 3, 7, 21, 83, 137, 249, 411, 581, 959, 1743, 2877, 6889, 11371, 20667, 34113, 48223, 79597, 144669, 238791, 943793, 2831379, 6606551, 19819653]

約数ペア:

[(1, 19819653), (3, 6606551), (7, 2831379), (21, 943793), (83, 238791), (137, 144669), (249, 79597), (411, 48223), (581, 34113), (959, 20667), (1743, 11371), (2877, 6889)]