18800460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 66882816

約数和(自身を除く): 48082356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 347, 387, 420, 430, 516, 602, 630, 645, 694, 774, 860, 903, 1041, 1204, 1260, 1290, 1388, 1505, 1548, 1735, 1806, 1935, 2082, 2429, 2580, 2709, 3010, 3123, 3470, 3612, 3870, 4164, 4515, 4858, 5205, 5418, 6020, 6246, 6940, 7287, 7740, 9030, 9716, 10410, 10836, 12145, 12492, 13545, 14574, 14921, 15615, 18060, 20820, 21861, 24290, 27090, 29148, 29842, 31230, 36435, 43722, 44763, 48580, 54180, 59684, 62460, 72870, 74605, 87444, 89526, 104447, 109305, 134289, 145740, 149210, 179052, 208894, 218610, 223815, 268578, 298420, 313341, 417788, 437220, 447630, 522235, 537156, 626682, 671445, 895260, 940023, 1044470, 1253364, 1342890, 1566705, 1880046, 2088940, 2685780, 3133410, 3760092, 4700115, 6266820, 9400230, 18800460]

約数ペア:

[(1, 18800460), (2, 9400230), (3, 6266820), (4, 4700115), (5, 3760092), (6, 3133410), (7, 2685780), (9, 2088940), (10, 1880046), (12, 1566705), (14, 1342890), (15, 1253364), (18, 1044470), (20, 940023), (21, 895260), (28, 671445), (30, 626682), (35, 537156), (36, 522235), (42, 447630), (43, 437220), (45, 417788), (60, 313341), (63, 298420), (70, 268578), (84, 223815), (86, 218610), (90, 208894), (105, 179052), (126, 149210), (129, 145740), (140, 134289), (172, 109305), (180, 104447), (210, 89526), (215, 87444), (252, 74605), (258, 72870), (301, 62460), (315, 59684), (347, 54180), (387, 48580), (420, 44763), (430, 43722), (516, 36435), (602, 31230), (630, 29842), (645, 29148), (694, 27090), (774, 24290), (860, 21861), (903, 20820), (1041, 18060), (1204, 15615), (1260, 14921), (1290, 14574), (1388, 13545), (1505, 12492), (1548, 12145), (1735, 10836), (1806, 10410), (1935, 9716), (2082, 9030), (2429, 7740), (2580, 7287), (2709, 6940), (3010, 6246), (3123, 6020), (3470, 5418), (3612, 5205), (3870, 4858), (4164, 4515)]