2019958018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{394369}}^1$

素因数の和:394581

約数の個数: 16

約数和(自身を含む): 3279580920

約数和(自身を除く): 1259622902

約数列:

[1, 2, 13, 26, 197, 394, 2561, 5122, 394369, 788738, 5126797, 10253594, 77690693, 155381386, 1009979009, 2019958018]

約数ペア:

[(1, 2019958018), (2, 1009979009), (13, 155381386), (26, 77690693), (197, 10253594), (394, 5126797), (2561, 788738), (5122, 394369)]