19973349

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18341}}^1$

素因数の和:18369

約数の個数: 18

約数和(自身を含む): 31713318

約数和(自身を除く): 11739969

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18341, 55023, 165069, 201751, 605253, 1815759, 2219261, 6657783, 19973349]

約数ペア:

[(1, 19973349), (3, 6657783), (9, 2219261), (11, 1815759), (33, 605253), (99, 201751), (121, 165069), (363, 55023), (1089, 18341)]