18903781036

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{184111}}^1$

素因数の和:184334

約数の個数: 48

約数和(自身を含む): 40003855360

約数和(自身を除く): 21100074324

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 193, 266, 386, 532, 772, 1351, 2702, 3667, 5404, 7334, 14668, 25669, 51338, 102676, 184111, 368222, 736444, 1288777, 2577554, 3498109, 5155108, 6996218, 13992436, 24486763, 35533423, 48973526, 71066846, 97947052, 142133692, 248733961, 497467922, 675135037, 994935844, 1350270074, 2700540148, 4725945259, 9451890518, 18903781036]

約数ペア:

[(1, 18903781036), (2, 9451890518), (4, 4725945259), (7, 2700540148), (14, 1350270074), (19, 994935844), (28, 675135037), (38, 497467922), (76, 248733961), (133, 142133692), (193, 97947052), (266, 71066846), (386, 48973526), (532, 35533423), (772, 24486763), (1351, 13992436), (2702, 6996218), (3667, 5155108), (5404, 3498109), (7334, 2577554), (14668, 1288777), (25669, 736444), (51338, 368222), (102676, 184111)]