18347381

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 20805120

約数和(自身を除く): 2457739

約数列:

[1, 13, 31, 53, 403, 689, 859, 1643, 11167, 21359, 26629, 45527, 346177, 591851, 1411337, 18347381]

約数ペア:

[(1, 18347381), (13, 1411337), (31, 591851), (53, 346177), (403, 45527), (689, 26629), (859, 21359), (1643, 11167)]