19787184

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 60063120

約数和(自身を除く): 40275936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 59, 68, 72, 102, 118, 136, 137, 144, 153, 177, 204, 236, 272, 274, 306, 354, 408, 411, 472, 531, 548, 612, 708, 816, 822, 944, 1003, 1062, 1096, 1224, 1233, 1416, 1644, 2006, 2124, 2192, 2329, 2448, 2466, 2832, 3009, 3288, 4012, 4248, 4658, 4932, 6018, 6576, 6987, 8024, 8083, 8496, 9027, 9316, 9864, 12036, 13974, 16048, 16166, 18054, 18632, 19728, 20961, 24072, 24249, 27948, 32332, 36108, 37264, 41922, 48144, 48498, 55896, 64664, 72216, 72747, 83844, 96996, 111792, 129328, 137411, 144432, 145494, 167688, 193992, 274822, 290988, 335376, 387984, 412233, 549644, 581976, 824466, 1099288, 1163952, 1236699, 1648932, 2198576, 2473398, 3297864, 4946796, 6595728, 9893592, 19787184]

約数ペア:

[(1, 19787184), (2, 9893592), (3, 6595728), (4, 4946796), (6, 3297864), (8, 2473398), (9, 2198576), (12, 1648932), (16, 1236699), (17, 1163952), (18, 1099288), (24, 824466), (34, 581976), (36, 549644), (48, 412233), (51, 387984), (59, 335376), (68, 290988), (72, 274822), (102, 193992), (118, 167688), (136, 145494), (137, 144432), (144, 137411), (153, 129328), (177, 111792), (204, 96996), (236, 83844), (272, 72747), (274, 72216), (306, 64664), (354, 55896), (408, 48498), (411, 48144), (472, 41922), (531, 37264), (548, 36108), (612, 32332), (708, 27948), (816, 24249), (822, 24072), (944, 20961), (1003, 19728), (1062, 18632), (1096, 18054), (1224, 16166), (1233, 16048), (1416, 13974), (1644, 12036), (2006, 9864), (2124, 9316), (2192, 9027), (2329, 8496), (2448, 8083), (2466, 8024), (2832, 6987), (3009, 6576), (3288, 6018), (4012, 4932), (4248, 4658)]