18946000

素因数分解:

$2^4\times 5^3\times {\mathrm{9473}}^1$

素因数の和:9496

約数の個数: 40

約数和(自身を含む): 45816264

約数和(自身を除く): 26870264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9473, 18946, 37892, 47365, 75784, 94730, 151568, 189460, 236825, 378920, 473650, 757840, 947300, 1184125, 1894600, 2368250, 3789200, 4736500, 9473000, 18946000]

約数ペア:

[(1, 18946000), (2, 9473000), (4, 4736500), (5, 3789200), (8, 2368250), (10, 1894600), (16, 1184125), (20, 947300), (25, 757840), (40, 473650), (50, 378920), (80, 236825), (100, 189460), (125, 151568), (200, 94730), (250, 75784), (400, 47365), (500, 37892), (1000, 18946), (2000, 9473)]