18161500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5189}}^1$

素因数の和:5215

約数の個数: 48

約数和(自身を含む): 45339840

約数和(自身を除く): 27178340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5189, 10378, 20756, 25945, 36323, 51890, 72646, 103780, 129725, 145292, 181615, 259450, 363230, 518900, 648625, 726460, 908075, 1297250, 1816150, 2594500, 3632300, 4540375, 9080750, 18161500]

約数ペア:

[(1, 18161500), (2, 9080750), (4, 4540375), (5, 3632300), (7, 2594500), (10, 1816150), (14, 1297250), (20, 908075), (25, 726460), (28, 648625), (35, 518900), (50, 363230), (70, 259450), (100, 181615), (125, 145292), (140, 129725), (175, 103780), (250, 72646), (350, 51890), (500, 36323), (700, 25945), (875, 20756), (1750, 10378), (3500, 5189)]