19580821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 22882608

約数和(自身を除く): 3301787

約数列:

[1, 13, 17, 41, 221, 533, 697, 2161, 9061, 28093, 36737, 88601, 477581, 1151813, 1506217, 19580821]

約数ペア:

[(1, 19580821), (13, 1506217), (17, 1151813), (41, 477581), (221, 88601), (533, 36737), (697, 28093), (2161, 9061)]