18117169

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{859}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 21795840

約数和(自身を除く): 3678671

約数列:

[1, 7, 23, 131, 161, 859, 917, 3013, 6013, 19757, 21091, 112529, 138299, 787703, 2588167, 18117169]

約数ペア:

[(1, 18117169), (7, 2588167), (23, 787703), (131, 138299), (161, 112529), (859, 21091), (917, 19757), (3013, 6013)]