2019967690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15538213}}^1$

素因数の和:15538233

約数の個数: 16

約数和(自身を含む): 3915629928

約数和(自身を除く): 1895662238

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15538213, 31076426, 77691065, 155382130, 201996769, 403993538, 1009983845, 2019967690]

約数ペア:

[(1, 2019967690), (2, 1009983845), (5, 403993538), (10, 201996769), (13, 155382130), (26, 77691065), (65, 31076426), (130, 15538213)]