19418726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1301}}^1$

素因数の和:1759

約数の個数: 16

約数和(自身を含む): 30935520

約数和(自身を除く): 11516794

約数列:

[1, 2, 17, 34, 439, 878, 1301, 2602, 7463, 14926, 22117, 44234, 571139, 1142278, 9709363, 19418726]

約数ペア:

[(1, 19418726), (2, 9709363), (17, 1142278), (34, 571139), (439, 44234), (878, 22117), (1301, 14926), (2602, 7463)]