19812340

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1811}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 41704992

約数和(自身を除く): 21892652

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 1811, 2188, 2735, 3622, 5470, 7244, 9055, 10940, 18110, 36220, 990617, 1981234, 3962468, 4953085, 9906170, 19812340]

約数ペア:

[(1, 19812340), (2, 9906170), (4, 4953085), (5, 3962468), (10, 1981234), (20, 990617), (547, 36220), (1094, 18110), (1811, 10940), (2188, 9055), (2735, 7244), (3622, 5470)]