18549244

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 42230160

約数和(自身を除く): 23680916

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 293, 323, 476, 532, 586, 646, 833, 931, 1172, 1292, 1666, 1862, 2051, 2261, 3332, 3724, 4102, 4522, 4981, 5567, 8204, 9044, 9962, 11134, 14357, 15827, 19924, 22268, 28714, 31654, 34867, 38969, 57428, 63308, 69734, 77938, 94639, 139468, 155876, 189278, 244069, 272783, 378556, 488138, 545566, 662473, 976276, 1091132, 1324946, 2649892, 4637311, 9274622, 18549244]

約数ペア:

[(1, 18549244), (2, 9274622), (4, 4637311), (7, 2649892), (14, 1324946), (17, 1091132), (19, 976276), (28, 662473), (34, 545566), (38, 488138), (49, 378556), (68, 272783), (76, 244069), (98, 189278), (119, 155876), (133, 139468), (196, 94639), (238, 77938), (266, 69734), (293, 63308), (323, 57428), (476, 38969), (532, 34867), (586, 31654), (646, 28714), (833, 22268), (931, 19924), (1172, 15827), (1292, 14357), (1666, 11134), (1862, 9962), (2051, 9044), (2261, 8204), (3332, 5567), (3724, 4981), (4102, 4522)]