19988579

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 22311072

約数和(自身を除く): 2322493

約数列:

[1, 13, 53, 67, 433, 689, 871, 3551, 5629, 22949, 29011, 46163, 298337, 377143, 1537583, 19988579]

約数ペア:

[(1, 19988579), (13, 1537583), (53, 377143), (67, 298337), (433, 46163), (689, 29011), (871, 22949), (3551, 5629)]