19612320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:487

約数の個数: 192

約数和(自身を含む): 76204800

約数和(自身を除く): 56592480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 449, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 898, 910, 1040, 1092, 1120, 1248, 1347, 1365, 1456, 1560, 1680, 1796, 1820, 2080, 2184, 2245, 2694, 2730, 2912, 3120, 3143, 3360, 3592, 3640, 4368, 4490, 5388, 5460, 5837, 6240, 6286, 6735, 7184, 7280, 8736, 8980, 9429, 10776, 10920, 11674, 12572, 13470, 14368, 14560, 15715, 17511, 17960, 18858, 21552, 21840, 23348, 25144, 26940, 29185, 31430, 35022, 35920, 37716, 40859, 43104, 43680, 46696, 47145, 50288, 53880, 58370, 62860, 70044, 71840, 75432, 81718, 87555, 93392, 94290, 100576, 107760, 116740, 122577, 125720, 140088, 150864, 163436, 175110, 186784, 188580, 204295, 215520, 233480, 245154, 251440, 280176, 301728, 326872, 350220, 377160, 408590, 466960, 490308, 502880, 560352, 612885, 653744, 700440, 754320, 817180, 933920, 980616, 1225770, 1307488, 1400880, 1508640, 1634360, 1961232, 2451540, 2801760, 3268720, 3922464, 4903080, 6537440, 9806160, 19612320]

約数ペア:

[(1, 19612320), (2, 9806160), (3, 6537440), (4, 4903080), (5, 3922464), (6, 3268720), (7, 2801760), (8, 2451540), (10, 1961232), (12, 1634360), (13, 1508640), (14, 1400880), (15, 1307488), (16, 1225770), (20, 980616), (21, 933920), (24, 817180), (26, 754320), (28, 700440), (30, 653744), (32, 612885), (35, 560352), (39, 502880), (40, 490308), (42, 466960), (48, 408590), (52, 377160), (56, 350220), (60, 326872), (65, 301728), (70, 280176), (78, 251440), (80, 245154), (84, 233480), (91, 215520), (96, 204295), (104, 188580), (105, 186784), (112, 175110), (120, 163436), (130, 150864), (140, 140088), (156, 125720), (160, 122577), (168, 116740), (182, 107760), (195, 100576), (208, 94290), (210, 93392), (224, 87555), (240, 81718), (260, 75432), (273, 71840), (280, 70044), (312, 62860), (336, 58370), (364, 53880), (390, 50288), (416, 47145), (420, 46696), (449, 43680), (455, 43104), (480, 40859), (520, 37716), (546, 35920), (560, 35022), (624, 31430), (672, 29185), (728, 26940), (780, 25144), (840, 23348), (898, 21840), (910, 21552), (1040, 18858), (1092, 17960), (1120, 17511), (1248, 15715), (1347, 14560), (1365, 14368), (1456, 13470), (1560, 12572), (1680, 11674), (1796, 10920), (1820, 10776), (2080, 9429), (2184, 8980), (2245, 8736), (2694, 7280), (2730, 7184), (2912, 6735), (3120, 6286), (3143, 6240), (3360, 5837), (3592, 5460), (3640, 5388), (4368, 4490)]