19712078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10939}}^1$

素因数の和:11011

約数の個数: 16

約数和(自身を含む): 31901040

約数和(自身を除く): 12188962

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 10939, 21878, 185963, 371926, 579767, 1159534, 9856039, 19712078]

約数ペア:

[(1, 19712078), (2, 9856039), (17, 1159534), (34, 579767), (53, 371926), (106, 185963), (901, 21878), (1802, 10939)]