18839547

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:662

約数の個数: 28

約数和(自身を含む): 28951384

約数和(自身を除く): 10111837

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 601, 729, 1161, 1803, 3483, 5409, 10449, 16227, 25843, 31347, 48681, 77529, 146043, 232587, 438129, 697761, 2093283, 6279849, 18839547]

約数ペア:

[(1, 18839547), (3, 6279849), (9, 2093283), (27, 697761), (43, 438129), (81, 232587), (129, 146043), (243, 77529), (387, 48681), (601, 31347), (729, 25843), (1161, 16227), (1803, 10449), (3483, 5409)]