18533961

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 10842039

約数列:

[1, 3, 9, 17, 27, 51, 149, 153, 271, 447, 459, 813, 1341, 2439, 2533, 4023, 4607, 7317, 7599, 13821, 22797, 40379, 41463, 68391, 121137, 124389, 363411, 686443, 1090233, 2059329, 6177987, 18533961]

約数ペア:

[(1, 18533961), (3, 6177987), (9, 2059329), (17, 1090233), (27, 686443), (51, 363411), (149, 124389), (153, 121137), (271, 68391), (447, 41463), (459, 40379), (813, 22797), (1341, 13821), (2439, 7599), (2533, 7317), (4023, 4607)]