19305279

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1693}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 32064032

約数和(自身を除く): 12758753

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 1693, 3801, 5079, 11403, 11851, 15237, 35553, 106659, 306433, 919299, 2145031, 2757897, 6435093, 19305279]

約数ペア:

[(1, 19305279), (3, 6435093), (7, 2757897), (9, 2145031), (21, 919299), (63, 306433), (181, 106659), (543, 35553), (1267, 15237), (1629, 11851), (1693, 11403), (3801, 5079)]