18879483

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47317}}^1$

素因数の和:47346

約数の個数: 16

約数和(自身を含む): 30283520

約数和(自身を除く): 11404037

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 47317, 141951, 331219, 899023, 993657, 2697069, 6293161, 18879483]

約数ペア:

[(1, 18879483), (3, 6293161), (7, 2697069), (19, 993657), (21, 899023), (57, 331219), (133, 141951), (399, 47317)]