18821712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 62218240

約数和(自身を除く): 43396528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 39, 42, 48, 52, 56, 62, 78, 84, 91, 93, 104, 112, 124, 139, 156, 168, 182, 186, 208, 217, 248, 273, 278, 312, 336, 364, 372, 403, 417, 434, 496, 546, 556, 624, 651, 728, 744, 806, 834, 868, 973, 1092, 1112, 1209, 1302, 1456, 1488, 1612, 1668, 1736, 1807, 1946, 2184, 2224, 2418, 2604, 2821, 2919, 3224, 3336, 3472, 3614, 3892, 4309, 4368, 4836, 5208, 5421, 5642, 5838, 6448, 6672, 7228, 7784, 8463, 8618, 9672, 10416, 10842, 11284, 11676, 12649, 12927, 14456, 15568, 16926, 17236, 19344, 21684, 22568, 23352, 25298, 25854, 28912, 30163, 33852, 34472, 37947, 43368, 45136, 46704, 50596, 51708, 56017, 60326, 67704, 68944, 75894, 86736, 90489, 101192, 103416, 112034, 120652, 135408, 151788, 168051, 180978, 202384, 206832, 224068, 241304, 303576, 336102, 361956, 392119, 448136, 482608, 607152, 672204, 723912, 784238, 896272, 1176357, 1344408, 1447824, 1568476, 2352714, 2688816, 3136952, 4705428, 6273904, 9410856, 18821712]

約数ペア:

[(1, 18821712), (2, 9410856), (3, 6273904), (4, 4705428), (6, 3136952), (7, 2688816), (8, 2352714), (12, 1568476), (13, 1447824), (14, 1344408), (16, 1176357), (21, 896272), (24, 784238), (26, 723912), (28, 672204), (31, 607152), (39, 482608), (42, 448136), (48, 392119), (52, 361956), (56, 336102), (62, 303576), (78, 241304), (84, 224068), (91, 206832), (93, 202384), (104, 180978), (112, 168051), (124, 151788), (139, 135408), (156, 120652), (168, 112034), (182, 103416), (186, 101192), (208, 90489), (217, 86736), (248, 75894), (273, 68944), (278, 67704), (312, 60326), (336, 56017), (364, 51708), (372, 50596), (403, 46704), (417, 45136), (434, 43368), (496, 37947), (546, 34472), (556, 33852), (624, 30163), (651, 28912), (728, 25854), (744, 25298), (806, 23352), (834, 22568), (868, 21684), (973, 19344), (1092, 17236), (1112, 16926), (1209, 15568), (1302, 14456), (1456, 12927), (1488, 12649), (1612, 11676), (1668, 11284), (1736, 10842), (1807, 10416), (1946, 9672), (2184, 8618), (2224, 8463), (2418, 7784), (2604, 7228), (2821, 6672), (2919, 6448), (3224, 5838), (3336, 5642), (3472, 5421), (3614, 5208), (3892, 4836), (4309, 4368)]