19653717

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5279}}^1$

素因数の和:5372

約数の個数: 16

約数和(自身を含む): 28131840

約数和(自身を除く): 8478123

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5279, 15837, 89743, 269229, 385367, 1156101, 6551239, 19653717]

約数ペア:

[(1, 19653717), (3, 6551239), (17, 1156101), (51, 385367), (73, 269229), (219, 89743), (1241, 15837), (3723, 5279)]