19449720

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 224

約数和(自身を含む): 70826400

約数和(自身を除く): 51376680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 29, 30, 36, 40, 45, 46, 54, 58, 60, 69, 72, 81, 87, 90, 92, 108, 115, 116, 120, 135, 138, 145, 162, 174, 180, 184, 207, 216, 230, 232, 243, 261, 270, 276, 290, 324, 345, 348, 360, 405, 414, 435, 460, 486, 522, 540, 552, 580, 621, 648, 667, 690, 696, 729, 783, 810, 828, 870, 920, 972, 1035, 1044, 1080, 1160, 1215, 1242, 1305, 1334, 1380, 1458, 1566, 1620, 1656, 1740, 1863, 1944, 2001, 2070, 2088, 2349, 2430, 2484, 2610, 2668, 2760, 2916, 3105, 3132, 3240, 3335, 3480, 3645, 3726, 3915, 4002, 4140, 4698, 4860, 4968, 5220, 5336, 5589, 5832, 6003, 6210, 6264, 6670, 7047, 7290, 7452, 7830, 8004, 8280, 9315, 9396, 9720, 10005, 10440, 11178, 11745, 12006, 12420, 13340, 14094, 14580, 14904, 15660, 16008, 16767, 18009, 18630, 18792, 20010, 21141, 22356, 23490, 24012, 24840, 26680, 27945, 28188, 29160, 30015, 31320, 33534, 35235, 36018, 37260, 40020, 42282, 44712, 46980, 48024, 54027, 55890, 56376, 60030, 67068, 70470, 72036, 74520, 80040, 83835, 84564, 90045, 93960, 105705, 108054, 111780, 120060, 134136, 140940, 144072, 162081, 167670, 169128, 180090, 211410, 216108, 223560, 240120, 270135, 281880, 324162, 335340, 360180, 422820, 432216, 486243, 540270, 648324, 670680, 720360, 810405, 845640, 972486, 1080540, 1296648, 1620810, 1944972, 2161080, 2431215, 3241620, 3889944, 4862430, 6483240, 9724860, 19449720]

約数ペア:

[(1, 19449720), (2, 9724860), (3, 6483240), (4, 4862430), (5, 3889944), (6, 3241620), (8, 2431215), (9, 2161080), (10, 1944972), (12, 1620810), (15, 1296648), (18, 1080540), (20, 972486), (23, 845640), (24, 810405), (27, 720360), (29, 670680), (30, 648324), (36, 540270), (40, 486243), (45, 432216), (46, 422820), (54, 360180), (58, 335340), (60, 324162), (69, 281880), (72, 270135), (81, 240120), (87, 223560), (90, 216108), (92, 211410), (108, 180090), (115, 169128), (116, 167670), (120, 162081), (135, 144072), (138, 140940), (145, 134136), (162, 120060), (174, 111780), (180, 108054), (184, 105705), (207, 93960), (216, 90045), (230, 84564), (232, 83835), (243, 80040), (261, 74520), (270, 72036), (276, 70470), (290, 67068), (324, 60030), (345, 56376), (348, 55890), (360, 54027), (405, 48024), (414, 46980), (435, 44712), (460, 42282), (486, 40020), (522, 37260), (540, 36018), (552, 35235), (580, 33534), (621, 31320), (648, 30015), (667, 29160), (690, 28188), (696, 27945), (729, 26680), (783, 24840), (810, 24012), (828, 23490), (870, 22356), (920, 21141), (972, 20010), (1035, 18792), (1044, 18630), (1080, 18009), (1160, 16767), (1215, 16008), (1242, 15660), (1305, 14904), (1334, 14580), (1380, 14094), (1458, 13340), (1566, 12420), (1620, 12006), (1656, 11745), (1740, 11178), (1863, 10440), (1944, 10005), (2001, 9720), (2070, 9396), (2088, 9315), (2349, 8280), (2430, 8004), (2484, 7830), (2610, 7452), (2668, 7290), (2760, 7047), (2916, 6670), (3105, 6264), (3132, 6210), (3240, 6003), (3335, 5832), (3480, 5589), (3645, 5336), (3726, 5220), (3915, 4968), (4002, 4860), (4140, 4698)]