19804294

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{1069}}^1$

素因数の和:1287

約数の個数: 16

約数和(自身を含む): 30430800

約数和(自身を除く): 10626506

約数列:

[1, 2, 59, 118, 157, 314, 1069, 2138, 9263, 18526, 63071, 126142, 167833, 335666, 9902147, 19804294]

約数ペア:

[(1, 19804294), (2, 9902147), (59, 335666), (118, 167833), (157, 126142), (314, 63071), (1069, 18526), (2138, 9263)]