18547060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{967}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 44884224

約数和(自身を除く): 26337164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 967, 1370, 1918, 1934, 2740, 3836, 3868, 4795, 4835, 6769, 9590, 9670, 13538, 19180, 19340, 27076, 33845, 67690, 132479, 135380, 264958, 529916, 662395, 927353, 1324790, 1854706, 2649580, 3709412, 4636765, 9273530, 18547060]

約数ペア:

[(1, 18547060), (2, 9273530), (4, 4636765), (5, 3709412), (7, 2649580), (10, 1854706), (14, 1324790), (20, 927353), (28, 662395), (35, 529916), (70, 264958), (137, 135380), (140, 132479), (274, 67690), (548, 33845), (685, 27076), (959, 19340), (967, 19180), (1370, 13538), (1918, 9670), (1934, 9590), (2740, 6769), (3836, 4835), (3868, 4795)]