18710199

素因数分解:

$3^2\times {\mathrm{971}}^1\times {\mathrm{2141}}^1$

素因数の和:3118

約数の個数: 12

約数和(自身を含む): 27066312

約数和(自身を除く): 8356113

約数列:

[1, 3, 9, 971, 2141, 2913, 6423, 8739, 19269, 2078911, 6236733, 18710199]

約数ペア:

[(1, 18710199), (3, 6236733), (9, 2078911), (971, 19269), (2141, 8739), (2913, 6423)]