19220040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 54911160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 116, 120, 126, 140, 145, 168, 174, 180, 203, 210, 232, 252, 261, 263, 280, 290, 315, 348, 360, 406, 420, 435, 504, 522, 526, 580, 609, 630, 696, 789, 812, 840, 870, 1015, 1044, 1052, 1160, 1218, 1260, 1305, 1315, 1578, 1624, 1740, 1827, 1841, 2030, 2088, 2104, 2367, 2436, 2520, 2610, 2630, 3045, 3156, 3480, 3654, 3682, 3945, 4060, 4734, 4872, 5220, 5260, 5523, 6090, 6312, 7308, 7364, 7627, 7890, 8120, 9135, 9205, 9468, 10440, 10520, 11046, 11835, 12180, 14616, 14728, 15254, 15780, 16569, 18270, 18410, 18936, 22092, 22881, 23670, 24360, 27615, 30508, 31560, 33138, 36540, 36820, 38135, 44184, 45762, 47340, 53389, 55230, 61016, 66276, 68643, 73080, 73640, 76270, 82845, 91524, 94680, 106778, 110460, 114405, 132552, 137286, 152540, 160167, 165690, 183048, 213556, 220920, 228810, 266945, 274572, 305080, 320334, 331380, 343215, 427112, 457620, 480501, 533890, 549144, 640668, 662760, 686430, 800835, 915240, 961002, 1067780, 1281336, 1372860, 1601670, 1922004, 2135560, 2402505, 2745720, 3203340, 3844008, 4805010, 6406680, 9610020, 19220040]

約数ペア:

[(1, 19220040), (2, 9610020), (3, 6406680), (4, 4805010), (5, 3844008), (6, 3203340), (7, 2745720), (8, 2402505), (9, 2135560), (10, 1922004), (12, 1601670), (14, 1372860), (15, 1281336), (18, 1067780), (20, 961002), (21, 915240), (24, 800835), (28, 686430), (29, 662760), (30, 640668), (35, 549144), (36, 533890), (40, 480501), (42, 457620), (45, 427112), (56, 343215), (58, 331380), (60, 320334), (63, 305080), (70, 274572), (72, 266945), (84, 228810), (87, 220920), (90, 213556), (105, 183048), (116, 165690), (120, 160167), (126, 152540), (140, 137286), (145, 132552), (168, 114405), (174, 110460), (180, 106778), (203, 94680), (210, 91524), (232, 82845), (252, 76270), (261, 73640), (263, 73080), (280, 68643), (290, 66276), (315, 61016), (348, 55230), (360, 53389), (406, 47340), (420, 45762), (435, 44184), (504, 38135), (522, 36820), (526, 36540), (580, 33138), (609, 31560), (630, 30508), (696, 27615), (789, 24360), (812, 23670), (840, 22881), (870, 22092), (1015, 18936), (1044, 18410), (1052, 18270), (1160, 16569), (1218, 15780), (1260, 15254), (1305, 14728), (1315, 14616), (1578, 12180), (1624, 11835), (1740, 11046), (1827, 10520), (1841, 10440), (2030, 9468), (2088, 9205), (2104, 9135), (2367, 8120), (2436, 7890), (2520, 7627), (2610, 7364), (2630, 7308), (3045, 6312), (3156, 6090), (3480, 5523), (3654, 5260), (3682, 5220), (3945, 4872), (4060, 4734)]