19387706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9439}}^1$

素因数の和:9533

約数の個数: 16

約数和(自身を含む): 31718400

約数和(自身を除く): 12330694

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9439, 18878, 122707, 245414, 745681, 1491362, 9693853, 19387706]

約数ペア:

[(1, 19387706), (2, 9693853), (13, 1491362), (26, 745681), (79, 245414), (158, 122707), (1027, 18878), (2054, 9439)]