19404609

素因数分解:

$3^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1373}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 29634432

約数和(自身を除く): 10229823

約数列:

[1, 3, 7, 21, 673, 1373, 2019, 4119, 4711, 9611, 14133, 28833, 924029, 2772087, 6468203, 19404609]

約数ペア:

[(1, 19404609), (3, 6468203), (7, 2772087), (21, 924029), (673, 28833), (1373, 14133), (2019, 9611), (4119, 4711)]