18139979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2699}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 3632821

約数列:

[1, 11, 13, 47, 143, 517, 611, 2699, 6721, 29689, 35087, 126853, 385957, 1395383, 1649089, 18139979]

約数ペア:

[(1, 18139979), (11, 1649089), (13, 1395383), (47, 385957), (143, 126853), (517, 35087), (611, 29689), (2699, 6721)]