2019187715

素因数分解:

$5^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1\times {\mathrm{3923}}^1$

素因数の和:4570

約数の個数: 16

約数和(自身を含む): 2438781696

約数和(自身を除く): 419593981

約数列:

[1, 5, 311, 331, 1555, 1655, 3923, 19615, 102941, 514705, 1220053, 1298513, 6100265, 6492565, 403837543, 2019187715]

約数ペア:

[(1, 2019187715), (5, 403837543), (311, 6492565), (331, 6100265), (1555, 1298513), (1655, 1220053), (3923, 514705), (19615, 102941)]