18667604

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{65731}}^1$

素因数の和:65806

約数の個数: 12

約数和(自身を含む): 33128928

約数和(自身を除く): 14461324

約数列:

[1, 2, 4, 71, 142, 284, 65731, 131462, 262924, 4666901, 9333802, 18667604]

約数ペア:

[(1, 18667604), (2, 9333802), (4, 4666901), (71, 262924), (142, 131462), (284, 65731)]