18834040

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1607}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 42547680

約数和(自身を除く): 23713640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 1607, 2344, 2930, 3214, 5860, 6428, 8035, 11720, 12856, 16070, 32140, 64280, 470851, 941702, 1883404, 2354255, 3766808, 4708510, 9417020, 18834040]

約数ペア:

[(1, 18834040), (2, 9417020), (4, 4708510), (5, 3766808), (8, 2354255), (10, 1883404), (20, 941702), (40, 470851), (293, 64280), (586, 32140), (1172, 16070), (1465, 12856), (1607, 11720), (2344, 8035), (2930, 6428), (3214, 5860)]