19899814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{2089}}^1$

素因数の和:2535

約数の個数: 16

約数和(自身を含む): 32654160

約数和(自身を除く): 12754346

約数列:

[1, 2, 11, 22, 433, 866, 2089, 4178, 4763, 9526, 22979, 45958, 904537, 1809074, 9949907, 19899814]

約数ペア:

[(1, 19899814), (2, 9949907), (11, 1809074), (22, 904537), (433, 45958), (866, 22979), (2089, 9526), (4178, 4763)]