19444988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{853}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 35150640

約数和(自身を除く): 15705652

約数列:

[1, 2, 4, 41, 82, 139, 164, 278, 556, 853, 1706, 3412, 5699, 11398, 22796, 34973, 69946, 118567, 139892, 237134, 474268, 4861247, 9722494, 19444988]

約数ペア:

[(1, 19444988), (2, 9722494), (4, 4861247), (41, 474268), (82, 237134), (139, 139892), (164, 118567), (278, 69946), (556, 34973), (853, 22796), (1706, 11398), (3412, 5699)]