19827657

素因数分解:

$3^2\times {\mathrm{79}}^2\times {\mathrm{353}}^1$

素因数の和:517

約数の個数: 18

約数和(自身を含む): 29089242

約数和(自身を除く): 9261585

約数列:

[1, 3, 9, 79, 237, 353, 711, 1059, 3177, 6241, 18723, 27887, 56169, 83661, 250983, 2203073, 6609219, 19827657]

約数ペア:

[(1, 19827657), (3, 6609219), (9, 2203073), (79, 250983), (237, 83661), (353, 56169), (711, 27887), (1059, 18723), (3177, 6241)]