19896817

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 22194432

約数和(自身を除く): 2297615

約数列:

[1, 17, 23, 151, 337, 391, 2567, 3473, 5729, 7751, 50887, 59041, 131767, 865079, 1170401, 19896817]

約数ペア:

[(1, 19896817), (17, 1170401), (23, 865079), (151, 131767), (337, 59041), (391, 50887), (2567, 7751), (3473, 5729)]