18994998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1039}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 41633280

約数和(自身を除く): 22638282

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 277, 554, 831, 1039, 1662, 2078, 3047, 3117, 6094, 6234, 9141, 11429, 18282, 22858, 34287, 68574, 287803, 575606, 863409, 1726818, 3165833, 6331666, 9497499, 18994998]

約数ペア:

[(1, 18994998), (2, 9497499), (3, 6331666), (6, 3165833), (11, 1726818), (22, 863409), (33, 575606), (66, 287803), (277, 68574), (554, 34287), (831, 22858), (1039, 18282), (1662, 11429), (2078, 9141), (3047, 6234), (3117, 6094)]