18907812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 43991388

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 359, 396, 399, 418, 462, 532, 627, 684, 693, 718, 798, 836, 924, 1077, 1197, 1254, 1386, 1436, 1463, 1596, 1881, 2154, 2394, 2508, 2513, 2772, 2926, 3231, 3762, 3949, 4308, 4389, 4788, 5026, 5852, 6462, 6821, 7524, 7539, 7898, 8778, 10052, 11847, 12924, 13167, 13642, 15078, 15796, 17556, 20463, 22617, 23694, 26334, 27284, 27643, 30156, 35541, 40926, 45234, 47388, 47747, 52668, 55286, 61389, 71082, 75031, 81852, 82929, 90468, 95494, 110572, 122778, 142164, 143241, 150062, 165858, 190988, 225093, 245556, 248787, 286482, 300124, 331716, 429723, 450186, 497574, 525217, 572964, 675279, 859446, 900372, 995148, 1050434, 1350558, 1575651, 1718892, 2100868, 2701116, 3151302, 4726953, 6302604, 9453906, 18907812]

約数ペア:

[(1, 18907812), (2, 9453906), (3, 6302604), (4, 4726953), (6, 3151302), (7, 2701116), (9, 2100868), (11, 1718892), (12, 1575651), (14, 1350558), (18, 1050434), (19, 995148), (21, 900372), (22, 859446), (28, 675279), (33, 572964), (36, 525217), (38, 497574), (42, 450186), (44, 429723), (57, 331716), (63, 300124), (66, 286482), (76, 248787), (77, 245556), (84, 225093), (99, 190988), (114, 165858), (126, 150062), (132, 143241), (133, 142164), (154, 122778), (171, 110572), (198, 95494), (209, 90468), (228, 82929), (231, 81852), (252, 75031), (266, 71082), (308, 61389), (342, 55286), (359, 52668), (396, 47747), (399, 47388), (418, 45234), (462, 40926), (532, 35541), (627, 30156), (684, 27643), (693, 27284), (718, 26334), (798, 23694), (836, 22617), (924, 20463), (1077, 17556), (1197, 15796), (1254, 15078), (1386, 13642), (1436, 13167), (1463, 12924), (1596, 11847), (1881, 10052), (2154, 8778), (2394, 7898), (2508, 7539), (2513, 7524), (2772, 6821), (2926, 6462), (3231, 5852), (3762, 5026), (3949, 4788), (4308, 4389)]