18810540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14929}}^1$

素因数の和:14951

約数の個数: 72

約数和(自身を含む): 65214240

約数和(自身を除く): 46403700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14929, 29858, 44787, 59716, 74645, 89574, 104503, 134361, 149290, 179148, 209006, 223935, 268722, 298580, 313509, 418012, 447870, 522515, 537444, 627018, 671805, 895740, 940527, 1045030, 1254036, 1343610, 1567545, 1881054, 2090060, 2687220, 3135090, 3762108, 4702635, 6270180, 9405270, 18810540]

約数ペア:

[(1, 18810540), (2, 9405270), (3, 6270180), (4, 4702635), (5, 3762108), (6, 3135090), (7, 2687220), (9, 2090060), (10, 1881054), (12, 1567545), (14, 1343610), (15, 1254036), (18, 1045030), (20, 940527), (21, 895740), (28, 671805), (30, 627018), (35, 537444), (36, 522515), (42, 447870), (45, 418012), (60, 313509), (63, 298580), (70, 268722), (84, 223935), (90, 209006), (105, 179148), (126, 149290), (140, 134361), (180, 104503), (210, 89574), (252, 74645), (315, 59716), (420, 44787), (630, 29858), (1260, 14929)]