18914272

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2435

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 23315888

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2393, 3952, 4786, 7904, 9572, 19144, 31109, 38288, 45467, 62218, 76576, 90934, 124436, 181868, 248872, 363736, 497744, 591071, 727472, 995488, 1182142, 1454944, 2364284, 4728568, 9457136, 18914272]

約数ペア:

[(1, 18914272), (2, 9457136), (4, 4728568), (8, 2364284), (13, 1454944), (16, 1182142), (19, 995488), (26, 727472), (32, 591071), (38, 497744), (52, 363736), (76, 248872), (104, 181868), (152, 124436), (208, 90934), (247, 76576), (304, 62218), (416, 45467), (494, 38288), (608, 31109), (988, 19144), (1976, 9572), (2393, 7904), (3952, 4786)]