18712353

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13187}}^1$

素因数の和:13244

約数の個数: 16

約数和(自身を含む): 27853056

約数和(自身を除く): 9140703

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13187, 39561, 145057, 435171, 567041, 1701123, 6237451, 18712353]

約数ペア:

[(1, 18712353), (3, 6237451), (11, 1701123), (33, 567041), (43, 435171), (129, 145057), (473, 39561), (1419, 13187)]