2021649818

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{2800069}}^1$

素因数の和:2800109

約数の個数: 12

約数和(自身を含む): 3200480010

約数和(自身を除く): 1178830192

約数列:

[1, 2, 19, 38, 361, 722, 2800069, 5600138, 53201311, 106402622, 1010824909, 2021649818]

約数ペア:

[(1, 2021649818), (2, 1010824909), (19, 106402622), (38, 53201311), (361, 5600138), (722, 2800069)]