18808322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13649}}^1$

素因数の和:13717

約数の個数: 16

約数和(自身を含む): 30958200

約数和(自身を除く): 12149878

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13649, 27298, 177437, 354874, 723397, 1446794, 9404161, 18808322]

約数ペア:

[(1, 18808322), (2, 9404161), (13, 1446794), (26, 723397), (53, 354874), (106, 177437), (689, 27298), (1378, 13649)]