18910827

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17959}}^1$

素因数の和:17984

約数の個数: 20

約数和(自身を含む): 30424240

約数和(自身を除く): 11513413

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17959, 53877, 161631, 233467, 484893, 700401, 1454679, 2101203, 6303609, 18910827]

約数ペア:

[(1, 18910827), (3, 6303609), (9, 2101203), (13, 1454679), (27, 700401), (39, 484893), (81, 233467), (117, 161631), (351, 53877), (1053, 17959)]