19998574

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{9319}}^1$

素因数の和:9387

約数の個数: 16

約数和(自身を含む): 31874400

約数和(自身を除く): 11875826

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 9319, 18638, 270251, 344803, 540502, 689606, 9999287, 19998574]

約数ペア:

[(1, 19998574), (2, 9999287), (29, 689606), (37, 540502), (58, 344803), (74, 270251), (1073, 18638), (2146, 9319)]