18640047

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1987}}^1$

素因数の和:2102

約数の個数: 16

約数和(自身を含む): 25764480

約数和(自身を除く): 7124433

約数列:

[1, 3, 53, 59, 159, 177, 1987, 3127, 5961, 9381, 105311, 117233, 315933, 351699, 6213349, 18640047]

約数ペア:

[(1, 18640047), (3, 6213349), (53, 351699), (59, 315933), (159, 117233), (177, 105311), (1987, 9381), (3127, 5961)]