19084221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{54371}}^1$

素因数の和:54393

約数の個数: 16

約数和(自身を含む): 30448320

約数和(自身を除く): 11364099

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 54371, 163113, 489339, 706823, 1468017, 2120469, 6361407, 19084221]

約数ペア:

[(1, 19084221), (3, 6361407), (9, 2120469), (13, 1468017), (27, 706823), (39, 489339), (117, 163113), (351, 54371)]