18811449

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 28009800

約数和(自身を除く): 9198351

約数列:

[1, 3, 9, 53, 113, 159, 339, 349, 477, 1017, 1047, 3141, 5989, 17967, 18497, 39437, 53901, 55491, 118311, 166473, 354933, 2090161, 6270483, 18811449]

約数ペア:

[(1, 18811449), (3, 6270483), (9, 2090161), (53, 354933), (113, 166473), (159, 118311), (339, 55491), (349, 53901), (477, 39437), (1017, 18497), (1047, 17967), (3141, 5989)]