18747498

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 52399872

約数和(自身を除く): 33652374

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 31, 33, 34, 42, 49, 51, 62, 66, 77, 93, 98, 102, 119, 121, 147, 154, 186, 187, 217, 231, 238, 242, 294, 341, 357, 363, 374, 434, 462, 527, 539, 561, 651, 682, 714, 726, 833, 847, 1023, 1054, 1078, 1122, 1302, 1309, 1519, 1581, 1617, 1666, 1694, 2046, 2057, 2387, 2499, 2541, 2618, 3038, 3162, 3234, 3689, 3751, 3927, 4114, 4557, 4774, 4998, 5082, 5797, 5929, 6171, 7161, 7378, 7502, 7854, 9114, 9163, 11067, 11253, 11594, 11858, 12342, 14322, 14399, 16709, 17391, 17787, 18326, 22134, 22506, 25823, 26257, 27489, 28798, 33418, 34782, 35574, 40579, 43197, 50127, 51646, 52514, 54978, 63767, 77469, 78771, 81158, 86394, 100254, 100793, 121737, 127534, 154938, 157542, 183799, 191301, 201586, 243474, 284053, 302379, 367598, 382602, 446369, 551397, 568106, 604758, 852159, 892738, 1102794, 1339107, 1704318, 2678214, 3124583, 6249166, 9373749, 18747498]

約数ペア:

[(1, 18747498), (2, 9373749), (3, 6249166), (6, 3124583), (7, 2678214), (11, 1704318), (14, 1339107), (17, 1102794), (21, 892738), (22, 852159), (31, 604758), (33, 568106), (34, 551397), (42, 446369), (49, 382602), (51, 367598), (62, 302379), (66, 284053), (77, 243474), (93, 201586), (98, 191301), (102, 183799), (119, 157542), (121, 154938), (147, 127534), (154, 121737), (186, 100793), (187, 100254), (217, 86394), (231, 81158), (238, 78771), (242, 77469), (294, 63767), (341, 54978), (357, 52514), (363, 51646), (374, 50127), (434, 43197), (462, 40579), (527, 35574), (539, 34782), (561, 33418), (651, 28798), (682, 27489), (714, 26257), (726, 25823), (833, 22506), (847, 22134), (1023, 18326), (1054, 17787), (1078, 17391), (1122, 16709), (1302, 14399), (1309, 14322), (1519, 12342), (1581, 11858), (1617, 11594), (1666, 11253), (1694, 11067), (2046, 9163), (2057, 9114), (2387, 7854), (2499, 7502), (2541, 7378), (2618, 7161), (3038, 6171), (3162, 5929), (3234, 5797), (3689, 5082), (3751, 4998), (3927, 4774), (4114, 4557)]