19812689

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 22224384

約数和(自身を除く): 2411695

約数列:

[1, 13, 31, 211, 233, 403, 2743, 3029, 6541, 7223, 49163, 85033, 93899, 639119, 1524053, 19812689]

約数ペア:

[(1, 19812689), (13, 1524053), (31, 639119), (211, 93899), (233, 85033), (403, 49163), (2743, 7223), (3029, 6541)]