19954248

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 53516160

約数和(自身を除く): 33561912

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 444, 552, 851, 888, 977, 1702, 1954, 2553, 2931, 3404, 3908, 5106, 5862, 6808, 7816, 10212, 11724, 20424, 22471, 23448, 36149, 44942, 67413, 72298, 89884, 108447, 134826, 144596, 179768, 216894, 269652, 289192, 433788, 539304, 831427, 867576, 1662854, 2494281, 3325708, 4988562, 6651416, 9977124, 19954248]

約数ペア:

[(1, 19954248), (2, 9977124), (3, 6651416), (4, 4988562), (6, 3325708), (8, 2494281), (12, 1662854), (23, 867576), (24, 831427), (37, 539304), (46, 433788), (69, 289192), (74, 269652), (92, 216894), (111, 179768), (138, 144596), (148, 134826), (184, 108447), (222, 89884), (276, 72298), (296, 67413), (444, 44942), (552, 36149), (851, 23448), (888, 22471), (977, 20424), (1702, 11724), (1954, 10212), (2553, 7816), (2931, 6808), (3404, 5862), (3908, 5106)]