2019901945

素因数分解:

$5^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1\times {\mathrm{3539}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 2440560960

約数和(自身を除く): 420659015

約数列:

[1, 5, 211, 541, 1055, 2705, 3539, 17695, 114151, 570755, 746729, 1914599, 3733645, 9572995, 403980389, 2019901945]

約数ペア:

[(1, 2019901945), (5, 403980389), (211, 9572995), (541, 3733645), (1055, 1914599), (2705, 746729), (3539, 570755), (17695, 114151)]