19909491

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16069}}^1$

素因数の和:16138

約数の個数: 16

約数和(自身を含む): 30854400

約数和(自身を除く): 10944909

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16069, 48207, 112483, 337449, 948071, 2844213, 6636497, 19909491]

約数ペア:

[(1, 19909491), (3, 6636497), (7, 2844213), (21, 948071), (59, 337449), (177, 112483), (413, 48207), (1239, 16069)]