19856153

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 22467456

約数和(自身を除く): 2611303

約数列:

[1, 17, 23, 43, 391, 731, 989, 1181, 16813, 20077, 27163, 50783, 461771, 863311, 1168009, 19856153]

約数ペア:

[(1, 19856153), (17, 1168009), (23, 863311), (43, 461771), (391, 50783), (731, 27163), (989, 20077), (1181, 16813)]