18821900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5087}}^1$

素因数の和:5138

約数の個数: 36

約数和(自身を含む): 41955648

約数和(自身を除く): 23133748

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5087, 10174, 20348, 25435, 50870, 101740, 127175, 188219, 254350, 376438, 508700, 752876, 941095, 1882190, 3764380, 4705475, 9410950, 18821900]

約数ペア:

[(1, 18821900), (2, 9410950), (4, 4705475), (5, 3764380), (10, 1882190), (20, 941095), (25, 752876), (37, 508700), (50, 376438), (74, 254350), (100, 188219), (148, 127175), (185, 101740), (370, 50870), (740, 25435), (925, 20348), (1850, 10174), (3700, 5087)]