18212355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 40435200

約数和(自身を除く): 22222845

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 153, 171, 179, 255, 285, 315, 323, 357, 399, 537, 595, 665, 765, 855, 895, 969, 1071, 1197, 1253, 1611, 1615, 1785, 1995, 2261, 2685, 2907, 3043, 3401, 3759, 4845, 5355, 5985, 6265, 6783, 8055, 9129, 10203, 11277, 11305, 14535, 15215, 17005, 18795, 20349, 21301, 23807, 27387, 30609, 33915, 45645, 51015, 56385, 57817, 63903, 71421, 101745, 106505, 119035, 136935, 153045, 173451, 191709, 214263, 289085, 319515, 357105, 404719, 520353, 867255, 958545, 1071315, 1214157, 2023595, 2601765, 3642471, 6070785, 18212355]

約数ペア:

[(1, 18212355), (3, 6070785), (5, 3642471), (7, 2601765), (9, 2023595), (15, 1214157), (17, 1071315), (19, 958545), (21, 867255), (35, 520353), (45, 404719), (51, 357105), (57, 319515), (63, 289085), (85, 214263), (95, 191709), (105, 173451), (119, 153045), (133, 136935), (153, 119035), (171, 106505), (179, 101745), (255, 71421), (285, 63903), (315, 57817), (323, 56385), (357, 51015), (399, 45645), (537, 33915), (595, 30609), (665, 27387), (765, 23807), (855, 21301), (895, 20349), (969, 18795), (1071, 17005), (1197, 15215), (1253, 14535), (1611, 11305), (1615, 11277), (1785, 10203), (1995, 9129), (2261, 8055), (2685, 6783), (2907, 6265), (3043, 5985), (3401, 5355), (3759, 4845)]