18545072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 45330432

約数和(自身を除く): 26785360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 271, 329, 364, 376, 542, 611, 658, 728, 752, 1084, 1222, 1316, 1456, 1897, 2168, 2444, 2632, 3523, 3794, 4277, 4336, 4888, 5264, 7046, 7588, 8554, 9776, 12737, 14092, 15176, 17108, 24661, 25474, 28184, 30352, 34216, 49322, 50948, 56368, 68432, 89159, 98644, 101896, 165581, 178318, 197288, 203792, 331162, 356636, 394576, 662324, 713272, 1159067, 1324648, 1426544, 2318134, 2649296, 4636268, 9272536, 18545072]

約数ペア:

[(1, 18545072), (2, 9272536), (4, 4636268), (7, 2649296), (8, 2318134), (13, 1426544), (14, 1324648), (16, 1159067), (26, 713272), (28, 662324), (47, 394576), (52, 356636), (56, 331162), (91, 203792), (94, 197288), (104, 178318), (112, 165581), (182, 101896), (188, 98644), (208, 89159), (271, 68432), (329, 56368), (364, 50948), (376, 49322), (542, 34216), (611, 30352), (658, 28184), (728, 25474), (752, 24661), (1084, 17108), (1222, 15176), (1316, 14092), (1456, 12737), (1897, 9776), (2168, 8554), (2444, 7588), (2632, 7046), (3523, 5264), (3794, 4888), (4277, 4336)]