19385121

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17417}}^1$

素因数の和:17480

約数の個数: 16

約数和(自身を含む): 30098304

約数和(自身を除く): 10713183

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17417, 52251, 121919, 365757, 923101, 2769303, 6461707, 19385121]

約数ペア:

[(1, 19385121), (3, 6461707), (7, 2769303), (21, 923101), (53, 365757), (159, 121919), (371, 52251), (1113, 17417)]