19876320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 71850240

約数和(自身を除く): 51973920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 96, 107, 108, 120, 129, 135, 144, 160, 172, 180, 214, 215, 216, 240, 258, 270, 288, 321, 344, 360, 387, 428, 430, 432, 480, 516, 535, 540, 642, 645, 688, 720, 774, 856, 860, 864, 963, 1032, 1070, 1080, 1161, 1284, 1290, 1376, 1440, 1548, 1605, 1712, 1720, 1926, 1935, 2064, 2140, 2160, 2322, 2568, 2580, 2889, 3096, 3210, 3424, 3440, 3852, 3870, 4128, 4280, 4320, 4601, 4644, 4815, 5136, 5160, 5778, 5805, 6192, 6420, 6880, 7704, 7740, 8560, 9202, 9288, 9630, 10272, 10320, 11556, 11610, 12384, 12840, 13803, 14445, 15408, 15480, 17120, 18404, 18576, 19260, 20640, 23005, 23112, 23220, 25680, 27606, 28890, 30816, 30960, 36808, 37152, 38520, 41409, 46010, 46224, 46440, 51360, 55212, 57780, 61920, 69015, 73616, 77040, 82818, 92020, 92448, 92880, 110424, 115560, 124227, 138030, 147232, 154080, 165636, 184040, 185760, 207045, 220848, 231120, 248454, 276060, 331272, 368080, 414090, 441696, 462240, 496908, 552120, 621135, 662544, 736160, 828180, 993816, 1104240, 1242270, 1325088, 1656360, 1987632, 2208480, 2484540, 3312720, 3975264, 4969080, 6625440, 9938160, 19876320]

約数ペア:

[(1, 19876320), (2, 9938160), (3, 6625440), (4, 4969080), (5, 3975264), (6, 3312720), (8, 2484540), (9, 2208480), (10, 1987632), (12, 1656360), (15, 1325088), (16, 1242270), (18, 1104240), (20, 993816), (24, 828180), (27, 736160), (30, 662544), (32, 621135), (36, 552120), (40, 496908), (43, 462240), (45, 441696), (48, 414090), (54, 368080), (60, 331272), (72, 276060), (80, 248454), (86, 231120), (90, 220848), (96, 207045), (107, 185760), (108, 184040), (120, 165636), (129, 154080), (135, 147232), (144, 138030), (160, 124227), (172, 115560), (180, 110424), (214, 92880), (215, 92448), (216, 92020), (240, 82818), (258, 77040), (270, 73616), (288, 69015), (321, 61920), (344, 57780), (360, 55212), (387, 51360), (428, 46440), (430, 46224), (432, 46010), (480, 41409), (516, 38520), (535, 37152), (540, 36808), (642, 30960), (645, 30816), (688, 28890), (720, 27606), (774, 25680), (856, 23220), (860, 23112), (864, 23005), (963, 20640), (1032, 19260), (1070, 18576), (1080, 18404), (1161, 17120), (1284, 15480), (1290, 15408), (1376, 14445), (1440, 13803), (1548, 12840), (1605, 12384), (1712, 11610), (1720, 11556), (1926, 10320), (1935, 10272), (2064, 9630), (2140, 9288), (2160, 9202), (2322, 8560), (2568, 7740), (2580, 7704), (2889, 6880), (3096, 6420), (3210, 6192), (3424, 5805), (3440, 5778), (3852, 5160), (3870, 5136), (4128, 4815), (4280, 4644), (4320, 4601)]