19009890459

素因数分解:

$3^3\times 7^1\times {\mathrm{100581431}}^1$

素因数の和:100581447

約数の個数: 16

約数和(自身を含む): 32186058240

約数和(自身を除く): 13176167781

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 100581431, 301744293, 704070017, 905232879, 2112210051, 2715698637, 6336630153, 19009890459]

約数ペア:

[(1, 19009890459), (3, 6336630153), (7, 2715698637), (9, 2112210051), (21, 905232879), (27, 704070017), (63, 301744293), (189, 100581431)]