19668771

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12347}}^1$

素因数の和:12415

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 9966429

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12347, 37041, 111123, 333369, 728473, 2185419, 6556257, 19668771]

約数ペア:

[(1, 19668771), (3, 6556257), (9, 2185419), (27, 728473), (59, 333369), (177, 111123), (531, 37041), (1593, 12347)]