19133838

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 43748640

約数和(自身を除く): 24614802

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 113, 138, 207, 226, 339, 409, 414, 678, 818, 1017, 1227, 2034, 2454, 2599, 3681, 5198, 7362, 7797, 9407, 15594, 18814, 23391, 28221, 46217, 46782, 56442, 84663, 92434, 138651, 169326, 277302, 415953, 831906, 1062991, 2125982, 3188973, 6377946, 9566919, 19133838]

約数ペア:

[(1, 19133838), (2, 9566919), (3, 6377946), (6, 3188973), (9, 2125982), (18, 1062991), (23, 831906), (46, 415953), (69, 277302), (113, 169326), (138, 138651), (207, 92434), (226, 84663), (339, 56442), (409, 46782), (414, 46217), (678, 28221), (818, 23391), (1017, 18814), (1227, 15594), (2034, 9407), (2454, 7797), (2599, 7362), (3681, 5198)]