19842381

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56531}}^1$

素因数の和:56553

約数の個数: 16

約数和(自身を含む): 31657920

約数和(自身を除く): 11815539

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56531, 169593, 508779, 734903, 1526337, 2204709, 6614127, 19842381]

約数ペア:

[(1, 19842381), (3, 6614127), (9, 2204709), (13, 1526337), (27, 734903), (39, 508779), (117, 169593), (351, 56531)]