18723508

素因数分解:

$2^2\times {\mathrm{659}}^1\times {\mathrm{7103}}^1$

素因数の和:7766

約数の個数: 12

約数和(自身を含む): 32820480

約数和(自身を除く): 14096972

約数列:

[1, 2, 4, 659, 1318, 2636, 7103, 14206, 28412, 4680877, 9361754, 18723508]

約数ペア:

[(1, 18723508), (2, 9361754), (4, 4680877), (659, 28412), (1318, 14206), (2636, 7103)]