2005490090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10555211}}^1$

素因数の和:10555237

約数の個数: 16

約数和(自身を含む): 3799876320

約数和(自身を除く): 1794386230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 10555211, 21110422, 52776055, 105552110, 200549009, 401098018, 1002745045, 2005490090]

約数ペア:

[(1, 2005490090), (2, 1002745045), (5, 401098018), (10, 200549009), (19, 105552110), (38, 52776055), (95, 21110422), (190, 10555211)]