18904620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 67092480

約数和(自身を除く): 48187860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 57, 60, 69, 70, 76, 84, 92, 95, 103, 105, 114, 115, 133, 138, 140, 161, 190, 206, 210, 228, 230, 266, 276, 285, 309, 322, 345, 380, 399, 412, 420, 437, 460, 483, 515, 532, 570, 618, 644, 665, 690, 721, 798, 805, 874, 966, 1030, 1140, 1236, 1311, 1330, 1380, 1442, 1545, 1596, 1610, 1748, 1932, 1957, 1995, 2060, 2163, 2185, 2369, 2415, 2622, 2660, 2884, 3059, 3090, 3220, 3605, 3914, 3990, 4326, 4370, 4738, 4830, 5244, 5871, 6118, 6180, 6555, 7107, 7210, 7828, 7980, 8652, 8740, 9177, 9476, 9660, 9785, 10815, 11742, 11845, 12236, 13110, 13699, 14214, 14420, 15295, 16583, 18354, 19570, 21630, 23484, 23690, 26220, 27398, 28428, 29355, 30590, 33166, 35535, 36708, 39140, 41097, 43260, 45011, 45885, 47380, 49749, 54796, 58710, 61180, 66332, 68495, 71070, 82194, 82915, 90022, 91770, 99498, 117420, 135033, 136990, 142140, 164388, 165830, 180044, 183540, 198996, 205485, 225055, 248745, 270066, 273980, 315077, 331660, 410970, 450110, 497490, 540132, 630154, 675165, 821940, 900220, 945231, 994980, 1260308, 1350330, 1575385, 1890462, 2700660, 3150770, 3780924, 4726155, 6301540, 9452310, 18904620]

約数ペア:

[(1, 18904620), (2, 9452310), (3, 6301540), (4, 4726155), (5, 3780924), (6, 3150770), (7, 2700660), (10, 1890462), (12, 1575385), (14, 1350330), (15, 1260308), (19, 994980), (20, 945231), (21, 900220), (23, 821940), (28, 675165), (30, 630154), (35, 540132), (38, 497490), (42, 450110), (46, 410970), (57, 331660), (60, 315077), (69, 273980), (70, 270066), (76, 248745), (84, 225055), (92, 205485), (95, 198996), (103, 183540), (105, 180044), (114, 165830), (115, 164388), (133, 142140), (138, 136990), (140, 135033), (161, 117420), (190, 99498), (206, 91770), (210, 90022), (228, 82915), (230, 82194), (266, 71070), (276, 68495), (285, 66332), (309, 61180), (322, 58710), (345, 54796), (380, 49749), (399, 47380), (412, 45885), (420, 45011), (437, 43260), (460, 41097), (483, 39140), (515, 36708), (532, 35535), (570, 33166), (618, 30590), (644, 29355), (665, 28428), (690, 27398), (721, 26220), (798, 23690), (805, 23484), (874, 21630), (966, 19570), (1030, 18354), (1140, 16583), (1236, 15295), (1311, 14420), (1330, 14214), (1380, 13699), (1442, 13110), (1545, 12236), (1596, 11845), (1610, 11742), (1748, 10815), (1932, 9785), (1957, 9660), (1995, 9476), (2060, 9177), (2163, 8740), (2185, 8652), (2369, 7980), (2415, 7828), (2622, 7210), (2660, 7107), (2884, 6555), (3059, 6180), (3090, 6118), (3220, 5871), (3605, 5244), (3914, 4830), (3990, 4738), (4326, 4370)]