18892000

素因数分解:

$2^5\times 5^3\times {\mathrm{4723}}^1$

素因数の和:4748

約数の個数: 48

約数和(自身を含む): 46427472

約数和(自身を除く): 27535472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4723, 9446, 18892, 23615, 37784, 47230, 75568, 94460, 118075, 151136, 188920, 236150, 377840, 472300, 590375, 755680, 944600, 1180750, 1889200, 2361500, 3778400, 4723000, 9446000, 18892000]

約数ペア:

[(1, 18892000), (2, 9446000), (4, 4723000), (5, 3778400), (8, 2361500), (10, 1889200), (16, 1180750), (20, 944600), (25, 755680), (32, 590375), (40, 472300), (50, 377840), (80, 236150), (100, 188920), (125, 151136), (160, 118075), (200, 94460), (250, 75568), (400, 47230), (500, 37784), (800, 23615), (1000, 18892), (2000, 9446), (4000, 4723)]