19805289

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 13268631

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 1913, 3451, 5739, 10353, 13391, 32521, 40173, 55477, 97563, 166431, 227647, 388339, 682941, 943109, 1165017, 2829327, 6601763, 19805289]

約数ペア:

[(1, 19805289), (3, 6601763), (7, 2829327), (17, 1165017), (21, 943109), (29, 682941), (51, 388339), (87, 227647), (119, 166431), (203, 97563), (357, 55477), (493, 40173), (609, 32521), (1479, 13391), (1913, 10353), (3451, 5739)]