18778006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13627}}^1$

素因数の和:13695

約数の個数: 16

約数和(自身を含む): 30908304

約数和(自身を除く): 12130298

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13627, 27254, 177151, 354302, 722231, 1444462, 9389003, 18778006]

約数ペア:

[(1, 18778006), (2, 9389003), (13, 1444462), (26, 722231), (53, 354302), (106, 177151), (689, 27254), (1378, 13627)]