18871138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65983}}^1$

素因数の和:66009

約数の個数: 16

約数和(自身を含む): 33255936

約数和(自身を除く): 14384798

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 65983, 131966, 725813, 857779, 1451626, 1715558, 9435569, 18871138]

約数ペア:

[(1, 18871138), (2, 9435569), (11, 1715558), (13, 1451626), (22, 857779), (26, 725813), (143, 131966), (286, 65983)]