20190489669

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{123121}}^1$

素因数の和:123290

約数の個数: 48

約数和(自身を含む): 35340938880

約数和(自身を除く): 15150449211

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 399, 411, 959, 1197, 1233, 2603, 2877, 7809, 8631, 18221, 23427, 54663, 123121, 163989, 369363, 861847, 1108089, 2339299, 2585541, 7017897, 7756623, 16375093, 16867577, 21053691, 49125279, 50602731, 118073039, 147375837, 151808193, 320483963, 354219117, 961451889, 1062657351, 2243387741, 2884355667, 6730163223, 20190489669]

約数ペア:

[(1, 20190489669), (3, 6730163223), (7, 2884355667), (9, 2243387741), (19, 1062657351), (21, 961451889), (57, 354219117), (63, 320483963), (133, 151808193), (137, 147375837), (171, 118073039), (399, 50602731), (411, 49125279), (959, 21053691), (1197, 16867577), (1233, 16375093), (2603, 7756623), (2877, 7017897), (7809, 2585541), (8631, 2339299), (18221, 1108089), (23427, 861847), (54663, 369363), (123121, 163989)]