2019495321

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{59221}}^1$

素因数の和:59654

約数の個数: 20

約数和(自身を含む): 3023993764

約数和(自身を除く): 1004498443

約数列:

[1, 3, 9, 27, 81, 421, 1263, 3789, 11367, 34101, 59221, 177663, 532989, 1598967, 4796901, 24932041, 74796123, 224388369, 673165107, 2019495321]

約数ペア:

[(1, 2019495321), (3, 673165107), (9, 224388369), (27, 74796123), (81, 24932041), (421, 4796901), (1263, 1598967), (3789, 532989), (11367, 177663), (34101, 59221)]