19047393

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2081}}^1$

素因数の和:2206

約数の個数: 20

約数和(自身を含む): 28719108

約数和(自身を除く): 9671715

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2081, 3051, 6243, 9153, 18729, 56187, 168561, 235153, 705459, 2116377, 6349131, 19047393]

約数ペア:

[(1, 19047393), (3, 6349131), (9, 2116377), (27, 705459), (81, 235153), (113, 168561), (339, 56187), (1017, 18729), (2081, 9153), (3051, 6243)]