19020785

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2437}}^1$

素因数の和:2672

約数の個数: 16

約数和(自身を含む): 26213376

約数和(自身を除く): 7192591

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 2437, 7805, 12185, 17059, 85295, 543451, 2717255, 3804157, 19020785]

約数ペア:

[(1, 19020785), (5, 3804157), (7, 2717255), (35, 543451), (223, 85295), (1115, 17059), (1561, 12185), (2437, 7805)]