2019014575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 2698755840

約数和(自身を除く): 679741265

約数列:

[1, 5, 19, 25, 71, 95, 131, 355, 457, 475, 655, 1349, 1775, 2285, 2489, 3275, 6745, 8683, 9301, 11425, 12445, 32447, 33725, 43415, 46505, 59867, 62225, 162235, 176719, 217075, 232525, 299335, 616493, 811175, 883595, 1137473, 1496675, 3082465, 4250557, 4417975, 5687365, 15412325, 21252785, 28436825, 80760583, 106263925, 403802915, 2019014575]

約数ペア:

[(1, 2019014575), (5, 403802915), (19, 106263925), (25, 80760583), (71, 28436825), (95, 21252785), (131, 15412325), (355, 5687365), (457, 4417975), (475, 4250557), (655, 3082465), (1349, 1496675), (1775, 1137473), (2285, 883595), (2489, 811175), (3275, 616493), (6745, 299335), (8683, 232525), (9301, 217075), (11425, 176719), (12445, 162235), (32447, 62225), (33725, 59867), (43415, 46505)]