19428849

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 33409600

約数和(自身を除く): 13980751

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 313, 363, 513, 627, 939, 1089, 1881, 2299, 2817, 3267, 3443, 5643, 5947, 6897, 8451, 10329, 17841, 20691, 30987, 37873, 53523, 62073, 65417, 92961, 113619, 160569, 196251, 340857, 588753, 719587, 1022571, 1766259, 2158761, 6476283, 19428849]

約数ペア:

[(1, 19428849), (3, 6476283), (9, 2158761), (11, 1766259), (19, 1022571), (27, 719587), (33, 588753), (57, 340857), (99, 196251), (121, 160569), (171, 113619), (209, 92961), (297, 65417), (313, 62073), (363, 53523), (513, 37873), (627, 30987), (939, 20691), (1089, 17841), (1881, 10329), (2299, 8451), (2817, 6897), (3267, 5947), (3443, 5643)]