19455917

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 21555072

約数和(自身を除く): 2099155

約数列:

[1, 13, 71, 107, 197, 923, 1391, 2561, 7597, 13987, 21079, 98761, 181831, 274027, 1496609, 19455917]

約数ペア:

[(1, 19455917), (13, 1496609), (71, 274027), (107, 181831), (197, 98761), (923, 21079), (1391, 13987), (2561, 7597)]