18763947

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{11779}}^1$

素因数の和:11847

約数の個数: 16

約数和(自身を含む): 28272000

約数和(自身を除く): 9508053

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 11779, 35337, 106011, 318033, 694961, 2084883, 6254649, 18763947]

約数ペア:

[(1, 18763947), (3, 6254649), (9, 2084883), (27, 694961), (59, 318033), (177, 106011), (531, 35337), (1593, 11779)]