2019921295

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2509219}}^1$

素因数の和:2509254

約数の個数: 16

約数和(自身を含む): 2890621440

約数和(自身を除く): 870700145

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 2509219, 12546095, 17564533, 57712037, 87822665, 288560185, 403984259, 2019921295]

約数ペア:

[(1, 2019921295), (5, 403984259), (7, 288560185), (23, 87822665), (35, 57712037), (115, 17564533), (161, 12546095), (805, 2509219)]