19824480

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 192

約数和(自身を含む): 74934720

約数和(自身を除く): 55110240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 353, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 706, 720, 780, 864, 936, 1040, 1059, 1080, 1170, 1248, 1404, 1412, 1440, 1560, 1755, 1765, 1872, 2080, 2118, 2160, 2340, 2808, 2824, 3120, 3177, 3510, 3530, 3744, 4236, 4320, 4589, 4680, 5295, 5616, 5648, 6240, 6354, 7020, 7060, 8472, 9178, 9360, 9531, 10590, 11232, 11296, 12708, 13767, 14040, 14120, 15885, 16944, 18356, 18720, 19062, 21180, 22945, 25416, 27534, 28080, 28240, 31770, 33888, 36712, 38124, 41301, 42360, 45890, 47655, 50832, 55068, 56160, 56480, 63540, 68835, 73424, 76248, 82602, 84720, 91780, 95310, 101664, 110136, 123903, 127080, 137670, 146848, 152496, 165204, 169440, 183560, 190620, 206505, 220272, 247806, 254160, 275340, 304992, 330408, 367120, 381240, 413010, 440544, 495612, 508320, 550680, 619515, 660816, 734240, 762480, 826020, 991224, 1101360, 1239030, 1321632, 1524960, 1652040, 1982448, 2202720, 2478060, 3304080, 3964896, 4956120, 6608160, 9912240, 19824480]

約数ペア:

[(1, 19824480), (2, 9912240), (3, 6608160), (4, 4956120), (5, 3964896), (6, 3304080), (8, 2478060), (9, 2202720), (10, 1982448), (12, 1652040), (13, 1524960), (15, 1321632), (16, 1239030), (18, 1101360), (20, 991224), (24, 826020), (26, 762480), (27, 734240), (30, 660816), (32, 619515), (36, 550680), (39, 508320), (40, 495612), (45, 440544), (48, 413010), (52, 381240), (54, 367120), (60, 330408), (65, 304992), (72, 275340), (78, 254160), (80, 247806), (90, 220272), (96, 206505), (104, 190620), (108, 183560), (117, 169440), (120, 165204), (130, 152496), (135, 146848), (144, 137670), (156, 127080), (160, 123903), (180, 110136), (195, 101664), (208, 95310), (216, 91780), (234, 84720), (240, 82602), (260, 76248), (270, 73424), (288, 68835), (312, 63540), (351, 56480), (353, 56160), (360, 55068), (390, 50832), (416, 47655), (432, 45890), (468, 42360), (480, 41301), (520, 38124), (540, 36712), (585, 33888), (624, 31770), (702, 28240), (706, 28080), (720, 27534), (780, 25416), (864, 22945), (936, 21180), (1040, 19062), (1059, 18720), (1080, 18356), (1170, 16944), (1248, 15885), (1404, 14120), (1412, 14040), (1440, 13767), (1560, 12708), (1755, 11296), (1765, 11232), (1872, 10590), (2080, 9531), (2118, 9360), (2160, 9178), (2340, 8472), (2808, 7060), (2824, 7020), (3120, 6354), (3177, 6240), (3510, 5648), (3530, 5616), (3744, 5295), (4236, 4680), (4320, 4589)]