19950381

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22391}}^1$

素因数の和:22414

約数の個数: 20

約数和(自身を含む): 32513184

約数和(自身を除く): 12562803

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22391, 67173, 201519, 246301, 604557, 738903, 1813671, 2216709, 6650127, 19950381]

約数ペア:

[(1, 19950381), (3, 6650127), (9, 2216709), (11, 1813671), (27, 738903), (33, 604557), (81, 246301), (99, 201519), (297, 67173), (891, 22391)]