19054880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9161}}^1$

素因数の和:9189

約数の個数: 48

約数和(自身を含む): 48485304

約数和(自身を除く): 29430424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9161, 18322, 36644, 45805, 73288, 91610, 119093, 146576, 183220, 238186, 293152, 366440, 476372, 595465, 732880, 952744, 1190930, 1465760, 1905488, 2381860, 3810976, 4763720, 9527440, 19054880]

約数ペア:

[(1, 19054880), (2, 9527440), (4, 4763720), (5, 3810976), (8, 2381860), (10, 1905488), (13, 1465760), (16, 1190930), (20, 952744), (26, 732880), (32, 595465), (40, 476372), (52, 366440), (65, 293152), (80, 238186), (104, 183220), (130, 146576), (160, 119093), (208, 91610), (260, 73288), (416, 45805), (520, 36644), (1040, 18322), (2080, 9161)]