19962260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9157}}^1$

素因数の和:9275

約数の個数: 24

約数和(自身を含む): 42309960

約数和(自身を除く): 22347700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9157, 18314, 36628, 45785, 91570, 183140, 998113, 1996226, 3992452, 4990565, 9981130, 19962260]

約数ペア:

[(1, 19962260), (2, 9981130), (4, 4990565), (5, 3992452), (10, 1996226), (20, 998113), (109, 183140), (218, 91570), (436, 45785), (545, 36628), (1090, 18314), (2180, 9157)]