18947727

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{601}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 28549248

約数和(自身を除く): 9601521

約数列:

[1, 3, 9, 31, 93, 113, 279, 339, 601, 1017, 1803, 3503, 5409, 10509, 18631, 31527, 55893, 67913, 167679, 203739, 611217, 2105303, 6315909, 18947727]

約数ペア:

[(1, 18947727), (3, 6315909), (9, 2105303), (31, 611217), (93, 203739), (113, 167679), (279, 67913), (339, 55893), (601, 31527), (1017, 18631), (1803, 10509), (3503, 5409)]