2019487730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15534521}}^1$

素因数の和:15534541

約数の個数: 16

約数和(自身を含む): 3914699544

約数和(自身を除く): 1895211814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15534521, 31069042, 77672605, 155345210, 201948773, 403897546, 1009743865, 2019487730]

約数ペア:

[(1, 2019487730), (2, 1009743865), (5, 403897546), (10, 201948773), (13, 155345210), (26, 77672605), (65, 31069042), (130, 15534521)]