19834281

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4679}}^1$

素因数の和:4845

約数の個数: 16

約数和(自身を含む): 29577600

約数和(自身を除く): 9743319

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4679, 14037, 42111, 126333, 734603, 2203809, 6611427, 19834281]

約数ペア:

[(1, 19834281), (3, 6611427), (9, 2203809), (27, 734603), (157, 126333), (471, 42111), (1413, 14037), (4239, 4679)]