2019701918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{394319}}^1$

素因数の和:394531

約数の個数: 16

約数和(自身を含む): 3279165120

約数和(自身を除く): 1259463202

約数列:

[1, 2, 13, 26, 197, 394, 2561, 5122, 394319, 788638, 5126147, 10252294, 77680843, 155361686, 1009850959, 2019701918]

約数ペア:

[(1, 2019701918), (2, 1009850959), (13, 155361686), (26, 77680843), (197, 10252294), (394, 5126147), (2561, 788638), (5122, 394319)]