18804140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25411}}^1$

素因数の和:25457

約数の個数: 24

約数和(自身を含む): 40557552

約数和(自身を除く): 21753412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 25411, 50822, 101644, 127055, 254110, 508220, 940207, 1880414, 3760828, 4701035, 9402070, 18804140]

約数ペア:

[(1, 18804140), (2, 9402070), (4, 4701035), (5, 3760828), (10, 1880414), (20, 940207), (37, 508220), (74, 254110), (148, 127055), (185, 101644), (370, 50822), (740, 25411)]