19005389127

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{16333}}^1$

素因数の和:17020

約数の個数: 32

約数和(自身を含む): 28601487360

約数和(自身を除く): 9596098233

約数列:

[1, 3, 9, 27, 71, 213, 607, 639, 1821, 1917, 5463, 16333, 16389, 43097, 48999, 129291, 146997, 387873, 440991, 1159643, 1163619, 3478929, 9914131, 10436787, 29742393, 31310361, 89227179, 267681537, 703903301, 2111709903, 6335129709, 19005389127]

約数ペア:

[(1, 19005389127), (3, 6335129709), (9, 2111709903), (27, 703903301), (71, 267681537), (213, 89227179), (607, 31310361), (639, 29742393), (1821, 10436787), (1917, 9914131), (5463, 3478929), (16333, 1163619), (16389, 1159643), (43097, 440991), (48999, 387873), (129291, 146997)]