18723817

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6841}}^1$

素因数の和:6888

約数の個数: 16

約数和(自身を含む): 23645952

約数和(自身を除く): 4922135

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 6841, 47887, 116297, 157343, 814079, 1101401, 2674831, 18723817]

約数ペア:

[(1, 18723817), (7, 2674831), (17, 1101401), (23, 814079), (119, 157343), (161, 116297), (391, 47887), (2737, 6841)]