18983475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 41202720

約数和(自身を除く): 22219245

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 153, 175, 225, 255, 315, 357, 425, 525, 595, 709, 765, 1071, 1275, 1575, 1785, 2127, 2975, 3545, 3825, 4963, 5355, 6381, 8925, 10635, 12053, 14889, 17725, 24815, 26775, 31905, 36159, 44667, 53175, 60265, 74445, 84371, 108477, 124075, 159525, 180795, 223335, 253113, 301325, 372225, 421855, 542385, 759339, 903975, 1116675, 1265565, 2109275, 2711925, 3796695, 6327825, 18983475]

約数ペア:

[(1, 18983475), (3, 6327825), (5, 3796695), (7, 2711925), (9, 2109275), (15, 1265565), (17, 1116675), (21, 903975), (25, 759339), (35, 542385), (45, 421855), (51, 372225), (63, 301325), (75, 253113), (85, 223335), (105, 180795), (119, 159525), (153, 124075), (175, 108477), (225, 84371), (255, 74445), (315, 60265), (357, 53175), (425, 44667), (525, 36159), (595, 31905), (709, 26775), (765, 24815), (1071, 17725), (1275, 14889), (1575, 12053), (1785, 10635), (2127, 8925), (2975, 6381), (3545, 5355), (3825, 4963)]