18219487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2963}}^1$

素因数の和:3030

約数の個数: 16

約数和(自身を含む): 21909888

約数和(自身を除く): 3690401

約数列:

[1, 11, 13, 43, 143, 473, 559, 2963, 6149, 32593, 38519, 127409, 423709, 1401499, 1656317, 18219487]

約数ペア:

[(1, 18219487), (11, 1656317), (13, 1401499), (43, 423709), (143, 127409), (473, 38519), (559, 32593), (2963, 6149)]