19388901

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5101}}^1$

素因数の和:5292

約数の個数: 16

約数和(自身を含む): 29714048

約数和(自身を除く): 10325147

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5101, 15303, 35707, 107121, 923281, 2769843, 6462967, 19388901]

約数ペア:

[(1, 19388901), (3, 6462967), (7, 2769843), (21, 923281), (181, 107121), (543, 35707), (1267, 15303), (3801, 5101)]