19168156

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 40078080

約数和(自身を除く): 20909924

約数列:

[1, 2, 4, 7, 14, 28, 41, 59, 82, 118, 164, 236, 283, 287, 413, 566, 574, 826, 1132, 1148, 1652, 1981, 2419, 3962, 4838, 7924, 9676, 11603, 16697, 16933, 23206, 33394, 33866, 46412, 66788, 67732, 81221, 116879, 162442, 233758, 324884, 467516, 684577, 1369154, 2738308, 4792039, 9584078, 19168156]

約数ペア:

[(1, 19168156), (2, 9584078), (4, 4792039), (7, 2738308), (14, 1369154), (28, 684577), (41, 467516), (59, 324884), (82, 233758), (118, 162442), (164, 116879), (236, 81221), (283, 67732), (287, 66788), (413, 46412), (566, 33866), (574, 33394), (826, 23206), (1132, 16933), (1148, 16697), (1652, 11603), (1981, 9676), (2419, 7924), (3962, 4838)]