18856828

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1237}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 34248032

約数和(自身を除く): 15391204

約数列:

[1, 2, 4, 37, 74, 103, 148, 206, 412, 1237, 2474, 3811, 4948, 7622, 15244, 45769, 91538, 127411, 183076, 254822, 509644, 4714207, 9428414, 18856828]

約数ペア:

[(1, 18856828), (2, 9428414), (4, 4714207), (37, 509644), (74, 254822), (103, 183076), (148, 127411), (206, 91538), (412, 45769), (1237, 15244), (2474, 7622), (3811, 4948)]