18854500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5387}}^1$

素因数の和:5413

約数の個数: 48

約数和(自身を含む): 47069568

約数和(自身を除く): 28215068

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, 5387, 10774, 21548, 26935, 37709, 53870, 75418, 107740, 134675, 150836, 188545, 269350, 377090, 538700, 673375, 754180, 942725, 1346750, 1885450, 2693500, 3770900, 4713625, 9427250, 18854500]

約数ペア:

[(1, 18854500), (2, 9427250), (4, 4713625), (5, 3770900), (7, 2693500), (10, 1885450), (14, 1346750), (20, 942725), (25, 754180), (28, 673375), (35, 538700), (50, 377090), (70, 269350), (100, 188545), (125, 150836), (140, 134675), (175, 107740), (250, 75418), (350, 53870), (500, 37709), (700, 26935), (875, 21548), (1750, 10774), (3500, 5387)]