19812610

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8221}}^1$

素因数の和:8469

約数の個数: 16

約数和(自身を含む): 35815032

約数和(自身を除く): 16002422

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 8221, 16442, 41105, 82210, 1981261, 3962522, 9906305, 19812610]

約数ペア:

[(1, 19812610), (2, 9906305), (5, 3962522), (10, 1981261), (241, 82210), (482, 41105), (1205, 16442), (2410, 8221)]