19910259

素因数分解:

$3^3\times {\mathrm{353}}^1\times {\mathrm{2089}}^1$

素因数の和:2451

約数の個数: 16

約数和(自身を含む): 29594400

約数和(自身を除く): 9684141

約数列:

[1, 3, 9, 27, 353, 1059, 2089, 3177, 6267, 9531, 18801, 56403, 737417, 2212251, 6636753, 19910259]

約数ペア:

[(1, 19910259), (3, 6636753), (9, 2212251), (27, 737417), (353, 56403), (1059, 18801), (2089, 9531), (3177, 6267)]