18891510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 35851530

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 23, 30, 33, 38, 46, 55, 57, 66, 69, 95, 110, 114, 115, 131, 138, 165, 190, 209, 230, 253, 262, 285, 330, 345, 393, 418, 437, 506, 570, 627, 655, 690, 759, 786, 874, 1045, 1254, 1265, 1310, 1311, 1441, 1518, 1965, 2090, 2185, 2489, 2530, 2622, 2882, 3013, 3135, 3795, 3930, 4323, 4370, 4807, 4978, 6026, 6270, 6555, 7205, 7467, 7590, 8646, 9039, 9614, 12445, 13110, 14410, 14421, 14934, 15065, 18078, 21615, 24035, 24890, 27379, 28842, 30130, 33143, 37335, 43230, 45195, 48070, 54758, 57247, 66286, 72105, 74670, 82137, 90390, 99429, 114494, 136895, 144210, 164274, 165715, 171741, 198858, 273790, 286235, 331430, 343482, 410685, 497145, 572470, 629717, 821370, 858705, 994290, 1259434, 1717410, 1889151, 3148585, 3778302, 6297170, 9445755, 18891510]

約数ペア:

[(1, 18891510), (2, 9445755), (3, 6297170), (5, 3778302), (6, 3148585), (10, 1889151), (11, 1717410), (15, 1259434), (19, 994290), (22, 858705), (23, 821370), (30, 629717), (33, 572470), (38, 497145), (46, 410685), (55, 343482), (57, 331430), (66, 286235), (69, 273790), (95, 198858), (110, 171741), (114, 165715), (115, 164274), (131, 144210), (138, 136895), (165, 114494), (190, 99429), (209, 90390), (230, 82137), (253, 74670), (262, 72105), (285, 66286), (330, 57247), (345, 54758), (393, 48070), (418, 45195), (437, 43230), (506, 37335), (570, 33143), (627, 30130), (655, 28842), (690, 27379), (759, 24890), (786, 24035), (874, 21615), (1045, 18078), (1254, 15065), (1265, 14934), (1310, 14421), (1311, 14410), (1441, 13110), (1518, 12445), (1965, 9614), (2090, 9039), (2185, 8646), (2489, 7590), (2530, 7467), (2622, 7205), (2882, 6555), (3013, 6270), (3135, 6026), (3795, 4978), (3930, 4807), (4323, 4370)]