19679457

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9661}}^1$

素因数の和:9768

約数の個数: 16

約数和(自身を含む): 30300032

約数和(自身を除く): 10620575

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9661, 28983, 67627, 202881, 937117, 2811351, 6559819, 19679457]

約数ペア:

[(1, 19679457), (3, 6559819), (7, 2811351), (21, 937117), (97, 202881), (291, 67627), (679, 28983), (2037, 9661)]