19059381

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21391}}^1$

素因数の和:21414

約数の個数: 20

約数和(自身を含む): 31061184

約数和(自身を除く): 12001803

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21391, 64173, 192519, 235301, 577557, 705903, 1732671, 2117709, 6353127, 19059381]

約数ペア:

[(1, 19059381), (3, 6353127), (9, 2117709), (11, 1732671), (27, 705903), (33, 577557), (81, 235301), (99, 192519), (297, 64173), (891, 21391)]